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andreev551 [17]
3 years ago
9

Explain the energy transformation that occurs when a person exercises. (4 points) Magnetic energy transforms into mechanical ene

rgy. Electrical energy transforms into mechanical energy. Mechanical energy transforms into thermal energy. Thermal energy transforms into electrical energy.
Biology
1 answer:
jenyasd209 [6]3 years ago
5 0

Answer:

Mechanical to Thermal

Explanation:

When you exercise, you are using mechanical energy to get your body moving. When you start sweating, your body is heating up, so it is thermal energy.

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A scientist samples a population of butterflies and finds that 56% are heterozygous at a particular locus. If the population is
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0.44  the frequency of the homozygous individuals in this population.

What is Hardy-Weinberg principle ?

The Hardy-Weinberg equilibrium is a principle stating that the genetic variation in a population will remain constant from one generation to the next in the absence of disturbing factors.

From the Hardy Weinberg Law of Population and Genetics,

We have

x²+2xy+y²=1 and

x+y=1

where

x = frequency of the dominant allele in the population

y = frequency of the recessive allele in the population

x2 = percentage of homozygous dominant individuals

y2 = percentage of homozygous recessive individuals

2xy = percentage of heterozygous individuals

Given 2xy = 0.56

from here, y=0.28/x, (the frequency of the recessive allele ) can be obtained

we need to find 'x'

recall, x+y=1, x=1-y

substituting this gives us

y=0.28/(1-y), which becomes,

y(1-y)=0.28

y²- y + 0.28 (quadratic equation)

Solving this to find 'y' gives two imaginary values of y = 0.44 but ,

There is no imaginary solution  .

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If structure X did not function correctly, which of the following would occur first?
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A(n) _______ is a well-tested concept that explains a wide range of observations.
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scientific theory is the answer

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Elenna [48]

The picture is a scientific model which is used to explain the concept of the water cycle by means of pictures and descriptions.

<h3>What is a scientific model?</h3>

A scientific model is a representation which may be in form of pictures, illustrations, objects, or ideas which are used to explain a particular concept by scientists.

Scientific models are usually employed to explain either difficult to understand concepts or scarcely observable phenomena in order to enrich the knowledge and comprehension of others.

The given illustration is an example of a scientific model. It is used to explain the concept of the water cycle. By means of pictures and descriptions, the various processes of the water cycle can be fully comprehended.

Also, by means of a cyclical illustration, the model helps to explain that the water cycle is a continuous repetitive process.

In conclusion, scientific models may be in form of pictures, illustrations or objects.

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