Scientists utilize models for a variety of different purposes, but each type of scientific model has limitations. What might
be a limitation of existing solar system models?
a. They are not based on experimentation.
b. They are used for prediction.
C. They cannot be changed.
d. They are based on current knowledge.
Please select the best answer from the choices provided
B
ОООО
D
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Answers

Answer 1
It would be D. Our knowledge about the solar system will be ever growing.

Related Questions

Ways in which biology, technology, and society are connected?

Answers

Biology and technology are connected in many ways and virtually everything will eventually affect society in some way or another. The technological advances of biology are currently having a massive effect on society due to the length of people's lives increasing. It is now common for people to live well into their 80's and 90's which is mainly due to new medications and treatments that can prevent and cure disease and infection. Most of the elderly will have a concoction of medications it is necessary for them to take on a daily basis in order for them to live happy and fulfilling lives. 50 years ago this would not have been available and they would have died much younger.

Technology and biology
The Technological advancement towards a cure for cancer seems to be getting closer every day. More and more people are now surviving cancer which was previously such a massive killer in people of all ages. Immunization is now available for every single person in developed countries so diseases are less common. Sanitation is now much better so illnesses that were previously caused by ill health, dirt and germs are now much lower because we are not exposed to such things on a daily basis.

This is all fantastic news as it living longer is something that virtually everyone wants.

Advancements and society
We want to get the most out of our lives and live a long and fulfilling life. But many countries are now struggling to cope with the increase in elderly people who need help and support from the government in order to survive. Many elderly people need people to care for them or do not have enough money to live and no way of working to provide themselves with an income. Pension plans, hospital care and home nursing care must be provided for the people who cannot afford it themselves and this is a massive drain on the economy and has a knock on effect to society and effects us all.

Which of these is found ONLY in eukaryotes?

A)ribosomes

B)chromosomes

C)cell walls

D)endocytosis

Answers

I think the answer is chromosomes.


What is the division of type based on?

Answers

Answer:

There are two types of cell division: mitosis and meiosis. Most of the time when people refer to “cell division,” they mean mitosis, the process of making new body cells. Meiosis is the type of cell division that creates egg and sperm cells. Mitosis is a fundamental process for life.

Explanation:

What is photosynthesis ​

Answers

Answer:

The process by which green plants and some other organisms in the presence of sunlight to synthesize nutrients from carbon dioxide and water is called photosynthesis.

Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's metabolic activities.

What does science tell us

Answers

it helps us to answer important questions through experiments and observation and understand how everything in the natural world works

An unsaturated fat has the maximum number of hydrogens attached to the carbon backbone.

True

False

Answers

Answer:

The answer is true.. it is attached to the carbon backbone.

The statement "An unsaturated fat has the maximum number of hydrogens attached to the carbon backbone" is definitely true.

What is Unsaturated fat?

Unsaturated fat may be defined as a kind of fat carrying a high proportion of fatty acid molecules with at least one double bond. This type of fatty acid is considered to be healthier in the diet than saturated fat.

An unsaturated fat generally contains almost all of the hydrogen atoms which are directly attached to the carbon backbone in a series of systematic arrangements.

Unsaturated fat is typically fatty acid that remains liquid at room temperature and comes from a plant, such as olive, peanut, corn, cottonseed, etc.

Therefore, the statement "An unsaturated fat has the maximum number of hydrogens attached to the carbon backbone" is definitely true.

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what does erythropoietin do

Answers

Answer:

Erythropoietin (EPO) is a hormone produced primarily by the kidneys, with small amounts made by the liver. EPO plays a key role in the production of red blood cells (RBCs), which carry oxygen from the lungs to the rest of the body. This test measures the amount of erythropoietin in the blood 2020

Explanation:

Condition present: EPO level

Polycythemia: Normal or low

Anemia: High

Ricky recently moved from a quiet rural area into a more chaotic urban location for work. He has been struggling to sleep due to the loud noise of police sirens at night, but has noticed that the sirens have been disturbing his sleep less as he gets used to the noise. Which of the following terms best describes what Ricky is experiencing?
a. Sensitization
b. Habituation
c. Operant conditioning
d. Extinction

Answers

Answer:

吧b

Explanation:

Ricky has been struggling to sleep due to the loud noise of police sirens at night, but has noticed that the sirens have been disturbing his sleep less as he gets used to the noise. Ricky is experiencing habituation.

What is habituation?

habituation is a type of response where complete elimination of a particular response or  zero frequency of occurrence occur.

If the stimulus continues  for an additional number of trials, although no changes occur but  the response will exhibit lower levels of recovery.

Habituation is a non-associative learning in which an automatic decrease in the intensity of a response occur which is repetitive, weak stimulus, without serious consequences, for example, ignoring stimuli

Habituation defines as  the fading of the response over the course of monotonous stimulation, and sensitization refers to processes of increased response.

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Is this a good problem/observation?

Answers

Yes, but maybe limit your experiment to a certain type of plant. Because you’re changing the type of plant and the frequency it may interfere. So maybe put only one specific type of plant- so maybe say something like “I want to observe whether my wild flowers grow faster depending on the frequency I water them- once a day in comparison to once every two days, or a week.”

3 ways of transporting carbon dioxide in blood​

Answers

Carbon dioxide is transported in the blood in three ways: 1) dissolved in solution 2) bound to proteins 3) buffered with water

Hydrogen has an atomic number of one but has no neutrons if a hydrogen atom has a mass of three it would be

Answers

Answer:

tritium

Explanation:

a hydrogen atom with:

1 proton 0 neutrons = hydrogen

1 proton 1 neutron = deuterium

1 proton 2 neutrons = tritium

If the hydrogen has a mass of three, then it would be tritium

What it would be?

An atom of hydrogen with an atomic number of one and a mass of three would be a hydrogen isotope called tritium.

Regular hydrogen (also known as protium) has one proton and no neutrons, giving it a mass of approximately 1 atomic mass unit (amu). Tritium, on the other hand, has one proton and two neutrons, giving it a total mass of about 3 atomic mass units (amu). This makes tritium a heavier and less common isotope of hydrogen.

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Carbohydrates stored in the liver are in the form of starch.

True

False

Answers

Answer:

It is false. carbohydrates are stored in form of glycogen.

giving brain-list to the correct answer

scientist are often creative in designing/comparing experiments

is it designing or comparing?

Answers

Comparing! Hope this helps!

Why do you blink

This is what it looks like when you blink with your eyes and mouth

LOL

Answers

Ans我们每一个人都在不断地眨眼,正常人每分钟要眨眼10~20次,每次眨眼的时间约0.2~0.4秒

除去睡眠时间,一个人一天要眨眼1万次左右,人体中最忙碌的算是提睑肌了

每次眨眼间隔时间仅4~5秒钟wer:

lanation:

do you think that giving a person oxygen would be effective treatment ? answer right now

Answers

Answer:

It depends on the case, there is not enough information given to fully answer this question do to not knowing the patients symptoms and our what they have, but if the question is asking will giving oxygen to sustain the patients airflow and they have an open airway, then yes it would be an effective help but not full treatment.

Explanation:

Yes

At Geometry Inc. Susy works 8 hours and gets paid $96. How much would Tony get pay if
he works 12 hours?

Answers

Susy got $144 have a good day

Which of the following statements about eukaryotic RNA is true?
O -A small cap of extra nucleotides is added to both ends of the RNA.
O -The modified RNA molecule is transported into the nucleus.

-Exons are spliced together.

-Introns are not transcribed from DNA to RNA.

Answers

Answer:

A small cap of extra nucleotides is added to both ends of the RNA

Hope you like it

Thank you ❤️

The statement 'exons are spliced together' is TRUE. The exons are the coding regions of genes.

RNA splicing is a eukaryotic mechanism by which non-coding sequences of genes called 'introns' are removed from the precursor messenger RNA (pre-mRNA), whereas protein-coding sequences called 'exons' are spliced together.

These gene coding sequences (exons) are spliced together by a macromolecular complex known as the spliceosome.

In consequence, a pre-mRNA is converted into a mature mRNA, which is subsequently used for protein synthesis.

In conclusion, the statement 'exons are spliced together' is TRUE.

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The process by which plants produce food is known as photosynthesis. This process requires sunlight, carbon dioxide, chlorophyll and ……………..

A) Sodium B) Potassium C) Water D) Oxygen

Answers

I think the answer is water

Answer:

Option C. Water is the correct choice here.

Explanation:

Photosynthesis is the change of water and CO2 to glucose in the presence of chlorophyll and sunlight.

A hypothesis is a plausible explanation for a particular fact, observation, or process. Write a hypothesis about how the various concentrations of acid will affect the amount of limestone that is dissolved from each jar.

Answers

The hypothesis will state as follows: IF the concentration of acid increases, THEN, the amount of limestone dissolved will also increase.

WHAT IS A HYPOTHESIS?

A hypothesis is a crucial part of the scientific method. It is a testable explanation of an observation or a proposed answer to a scientific question.

A hypothesis, which must be testable via experimentation, can either be accepted or rejected depending on the outcome of the experiment.

A hypothesis is an IF, THEN statement that must include the independent and dependent variables of the experiment i.e. it must show how the dependent variable (effect) is affected by the independent variable (cause).  

In this case regarding the dissolution of limestone with respect to different concentrations of acid, a possible hypothesis will state as follows:

"IF the concentration of acid increases, THEN, the amount of limestone dissolved will also increase".

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Answer:

The hypothesis will state as follows: IF the concentration of acid increases, THEN, the amount of limestone dissolved will also increase.

WHAT IS A HYPOTHESIS?

A hypothesis is a crucial part of the scientific method. It is a testable explanation of an observation or a proposed answer to a scientific question.

A hypothesis, which must be testable via experimentation, can either be accepted or rejected depending on the outcome of the experiment.

A hypothesis is an IF, THEN statement that must include the independent and dependent variables of the experiment i.e. it must show how the dependent variable (effect) is affected by the independent variable (cause).  

In this case regarding the dissolution of limestone with respect to different concentrations of acid, a possible hypothesis will state as follows:

"IF the concentration of acid increases, THEN, the amount of limestone dissolved will also increase".

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Explanation:

credit - the guy above me


Would life on Earth be possible without the air,
water, soil and rock? Explain your answer.

Answers

Answer:

If soil would not be there on earth then we will not be able to grow plants and if we don't plant trees then we will not get essential products and we will not be able to survive .

Explanation:

Life will not be possible on earth without air as soil is essential for growing plants plants in turn produce oxygen which is used by aerobic organisms like humans . Moreover grasses are eaten by herbivores which and omnivores depends on herbivores.Air contain important gases essential for plant growth

Inorganic compounds include carbon dioxide, oxygen, water, and most ionic compounds.

True

False

Answers

Answer:

[tex]{ \underline{ \sf{true}}}[/tex]

Explanation:

because they chemically decompose

It is true that inorganic compounds include carbon dioxide, oxygen, water, and most ionic compounds.

What are inorganic compounds?

Any substance in which two or more chemical elements usually other than carbon are combined, almost always in definite proportions, is an inorganic compound.

When carbon is bound to hydrogen, the compound is classified as organic.

Organic compounds are distinguished by the presence of carbon atoms. Most inorganic compounds do not contain carbon atoms.

Water, sodium chloride (salt), sodium bicarbonate (baking soda), calcium carbonate (dietary calcium source), and muriatic acid are examples of common inorganic compounds (industrial-grade hydrochloric acid).

Inorganic compounds are characterized by high melting points and varying degrees of electrical conductivity.

Thus, the given statement is true.

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A well designed experiment includes an experimental group and a control group.

True or false

Answers

Answer:

True

Explanation:

A good experiment needs the control group to see what the base is and an experimental group to be tested.

hope this helps. . . <3

Do you think a charger would be a good example for mitochondria?

Answers

Answer:

not really because mitochondria break down and convert material into energy. a charger just resembles pulling energy from a bigger source.

Chemosynthesis is the main source of
energy capture
A. where light energy is not available.
B. in oxygen-rich environments.
C. when water has a pH of 7.

Answers

Answer: the answer would be a

Explanation: because I had the same question too on acellus and got a right

Photosynthesis makes use of light energy while chemosynthesis is the main source of energy capture where light energy is not available.

What is photosynthesis?

It is defined as a process by which plants and other photosynthetic organisms convert the light energy in to chemical energy  through the process of cellular respiration.

Some of the energy which is converted  is stored in molecules of carbohydrates like sugar and starches  which are made up of from carbon dioxide and water . Photosynthetic organisms which can perform photosynthesis  are algae and cyanobacteria. Photosynthesis is largely responsible for producing and maintaining the content of oxygen in earth's atmosphere.

The process begins with proteins absorbing light energy  which are called reaction centers and contain a green pigment which is called chlorophyll . In plants ,these pigments are present inside organelles called chloroplasts while in bacteria they are present in plasma membrane.

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GIVING BRAIN-LIST TO THE CORRECT ANSWER!!!!!!!!
______________________

You can trust scientific information from advertisers because they are selling a product.

True or false?

Answers

False. Advertisers are not a good course of scientific information because they are a biased source. Since their goal is to sell, you cannot trust the information they supply.
The correct answer is false.

The advertisers goal is to sell whatever product they are selling, so they will say anything that will persuade the audience to buy it and not all of the information whether it’s scientific or not, can’t always be trusted.

Animals are also victons of inhumane Forming methods. Explain the three ways how they get affected ​

Answers

Answer:
Cattle’s are fattened up and kept in horrible living conditions. Chickens often have half their beak removed because of the crowded living conditions. Pigs are kept in such horrible living conditions that they’re already dying before getting slaughtered.


Explanation:

Chickens are kept in such crowed condition that half of their beaks are removed lest they peck each other to death. Cattle are fattened up in feedlots where they are kept in crowed and filthy conditions; often their feet are rotting before they get to slaughter. Pigs too are kept overcrowded and in cages. Factory farming is NOT your grandfather’s farming methods, and those of us who object to it are not sentimental fools, as one writer here would have you believe. The animals are really abused. They are so crowded many of them would die if they were not routinely given antibiotics in their food, which why we have so many antibiotic resistant bacteria these days. Not every farmer keeps animals this way. If you like eating meat, milk, and eggs, it is possible to find them raised in healthy, humane, and sustainable ways. The products will be more expensive, but are usually tastier and of better quality. The worst abusers are surprise the big corporations pushing for profit at any cost.

The ear is on the blank surface of the head

Answers

Answer:

The ear is on the blank surface of the head is the most superier

Explanation:

Which approach is most directly concerned with assessing the relative contributions of heredity and experience to personality development?
a. biological
b. cognitive
c. biopsychosocial
d. psychodynamic

Answers

The biopsychosocial approach is most directly concerned with assessing the relative contributions of heredity and experience to personality development (Option C)

The Biopsychosocial Approach is an interdisciplinary model which was first developed by George Engel and Jon Romano (1977).

The biopsychosocial approach is a type of model that recognizes biological (inheritance), psychological, and social (environmental) factors as well as the interactions among these factors to understand the health and illness state of an individual.

Social factors include economical, environmental, and cultural factors (e.g. work concerns and family issues).

Biological factors include both genetic and biochemical factors.

According to this approach, both mind and body determine the health of the subject.

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Where did abiogenesis take place

Answers

Answer: Hi, There! Your Answer is Below :)

as deep below Earth's surface

Explanation:

More Information below!

abiogenesis is the theory that life came from non living matter. Cell theory says that life comes from life or more correctly cells come from other cells. abiogenesis says that cell theory is wrong and that at some time in the distance past cells came into being by accidental random natural causes.

____________________________________________________________

~DarkSpirit~

When glycogen is formed from monosaccharides, it occurs by a process called hydrolysis.

True

False

Answers

Answer:

yes its true. it occurs by a process called hydrolysis

The formation of glycogen from monosaccharides happens through the process of dehydration. So the statement is false.

What is the process of glycogen formation?

The process of formation of glycogen is called glycogenesis. Glycogen is the storage form of glucose, a primary carbohydrate in the liver and the muscle cells of animals

The process of Glycogenesis happens when the levels of glucose in the blood are high enough to allow the excess glucose to be stored.

The process of glycogenesis is stimulated by the insulin hormone. It helps the muscle cells to uptake glucose into themselves. Insulin is not required for the transport of glucose into the liver cells.

However, insulin has very important effects on the metabolism of glucose inside the liver cells. Insulates stimulates the process of glycogenesis and inhibit the process of glycogenolysis, which is the breakdown of glycogen into glucose.

Therefore the statement is false.

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Other Questions
The temperature reading that is halfway between 10 degrees and 40 degrees is ___ degrees.If the temperature was 3 degrees in the morning and 8 degrees in the afternoon, the change in temperature during that time is ____ degrees.If the temperature has been changing at a rate of 1.5 degrees each hour, and it is currently 5 degrees, the temperature 4 hours ago was ___ degrees.If the temperature continues to change at this rate of 1.5 per hour, and it is currently 5 degrees, the temperature in 4 hours will be ____ degrees. The length of a rectangle is 11cm more than the width. The perimeter is 90cm. Find the length and width of the rectangle. Which of these is found ONLY in eukaryotes?A)ribosomesB)chromosomesC)cell wallsD)endocytosis The graph represents a function.Which ordered pair can be plotted together with these four points, so that the resulting graph still represents a function?O (0,0) 0 (-3,1) 0 (1,3) O (31) Convert: 110 km/h to m/s What does Atticus say about Mrs.Dubose and courage at the end of chapter 11? And can you give me pieces of evidence to back that up What division problem iSbeingmodeled? Question 5 of 10 What does this passage say about Romeo's feelings for Juliet on seeing her for the first time? ROMEO O, she doth teach the torches to burn bright! It seems she hangs upon the cheek of night As a rich jewel in an Ethiop's ear Beauty too rich for use, for Earth too dear. So shows a snowy dove trooping with crows As yonder lady o'er her fellows shows. The measure done, I'll watch her place of stand And, touching hers, make blessd my rude hand. Did my heart love till now? Forswear it, sight, For I ne'er saw true beauty till this night. William Shakespeare, Romeo and Juliet, Act I, scene v, lines 51-60. A. He's angry because he knows she's a Capulet and they can't be together. B. Romeo is conflicted because he now loves both Juliet and Rosaline. C. Romeo has instantly fallen in love with Juliet and moved on from Rosaline. D. He likes her a lot but he still can't get his mind off Rosaline. 12 1/4 + 11.14 =[tex]12 \frac{1}{4} + 11.14[/tex] Consider the expression 9 * (10 * 4). Identify the equivalent expression below that demonstrates commutative property. If angle DEG is 8x + 14 and angle GEF is 8x - 7, the measure of angle DEG is ___ degrees. In this question you should assume that all gases behave ideally.Hydrogen and iodine react reversibly in the following reaction. 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Identify the country.(a) Bhutan(b) Tajikistan(c) Bangladesh(d) NepalQuestion 6.How many states and Union Territories does India have?(a) India has 26 States and 7 Union Territories(b) India has 25 States and 7 Union Territories(c) India has 28 States and 7 Union Territories(d) India has 28 States and 6 Union TerritoriesQuestion 7.Which line divides India into approximately two equal parts?(a) Equator(b) Tropic of Cancer(c) Tropic of Capricorn(d) None of theseQuestion 8.What is the position of India in the world in respect of area?(a) 8th position(b) 7th position(c) 6th position(d) 2nd positionQuestion 9.Which meridian is fixed as a Standard Meridian of India?(a) 82 E(b) 84 E(c) 86 E(d) 81 EQuestion 10.The latitudinal extent of India lies between(a) 7 5 N and 26 5 N(b) 8 4 N and 37 6 N(c) 12 5 N and 27 5 N(d) 12 5 N and 37 6 NQuestion 11.Tropic of Cancer passes through which of these states(a) Orissa(b) Tripura(c) Bihar(d) PunjabQuestion 12.Which of the following longitudes is selected as the Standard Meridian for India?(a) 687E(b) 8230E(c) 9725E(d) 2330NQuestion 13.Which of the following is the oldest route of contact between India and other countries of the world?(a) Ocean routes(b) Maritime contact(c) Land routes(d) Air routesQuestion 14.How many states and Union Territories are there in India?(a) 28 states and 7 Union Territories including Delhi(b) 23 States and 12 Union Territories(c) 26 states and 9 Union Territories(d) 30 States and 5 Union TerritoriesQuestion 15.India achieved multi-faceted socio-economic progress during which of the following periods?(a) Since ancient times(b) During medieval period(c) In the 21st century(d) During the last five decadesQuestion 16.Which of the following is the longitudinal extent of India?(a) 84N and 376N(b) 687N and 9725E(c) 687E and 9725W(d) 84E and 376E help me with this plsssssssss ps that is a 2 how to find standard form given 2 points Speech on schools graduation day on the schools achievements and failures in the academic year This is part of a letter you receive from an Australian friend. I start at my new school after the holidays. I don't know anyone there. Do you think I'll get on with everyone? How can I make new friends? Now write a letter to your friend giving some advice. (100 words) Please help me... your monthly salary increases from $2,200 to $2,376. what percent is your raise? (6,7) m=2/3 in standard form. Please help work is due in a couple of minutes