What are the benefits and limitations of a model

1 answer:

8 0

Models are very helpful, but they also have limitations.Details - Models cannot include all the details of the objects that they represent. For example, maps cannot include all the details of the features of the earth such as mountains, valleys, etc.Approximations - Most models include some approximations as a convenient way to describe something that happens in nature. These approximations are not exact, so predictions based on them tend to be a little bit different from what you actually observe. Models do not behave exactly like the things they represent.Accuracy - In order to make models simplistic enough to communicate ideas, some accuracy is lost. For example, ball and stick models of atoms do not show all the details that scientists know about the structure of the atom.

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How dose the nervous system help the body maintain homeostasis

jeka94

Answer:

The nervous system helps the body to maintain homeostasis by controlling and regulating the other parts of the body.

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When the outer electron shell is full in an element, this creates a __________ ___________

Ierofanga [76]

Answer:

When the outer electron shell is full in an element, this creates a Noble gas.

Explanation:

Noble gases are the elements that belong to group 18 in the periodic table. Noble gases are also called as inert gases. The outermost shell of the noble gases are fully filled by electrons. Due to this the noble gases don’t react with any other elements and remain isolated.

There are 6 noble gases in the periodic table. They are helium (He), Argon (Ar), Neon (Ne) Krypton (Kr), Radon (Rn) and Xenon (Xe). Noble gases conduct electricity. They are fluorescent, odorless and colorless. Noble gases are used a maintain stable elements in a constant and safe environment.

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Answer:

c) Combustion of fossil fuels

Explanation:

Burning of fossil fuels is the main cause of increasing carbondioxide concentration in the environment which results in air pollution. This increase in carbondioxide concentration absorbed more heat energy from reflected solar radiation which increases the temperature of earth surface causes global warming. Due to this global warming, snow melting occurs on the poles of the earth which increases sea level.

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Which of these structures do plants and algae have in common?

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Answer:

b and c

Explanation:

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What causes birds to fly?

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The things that birds have attached to their bodies called their wings, a left one and a right one, cause them to have the ability to fly.