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pav-90 [236]
3 years ago
8

Why does weather vary from day to day?

Biology
1 answer:
sesenic [268]3 years ago
8 0

Answer:

A

Explanation:

D is not correct because the atmosphere doesn't expand, C isn't correct because the Sun doesn't heat all the Earth evenly (hence different climates), B is not correct because cold fronts can be singular, so it has to be A

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Different finch species have beaks of different shapes and sizes. these different beak structures are evidence of
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Plan an investigation to study the effects of exercise on heart rate. Identify the
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The effects of exercise on heart rate can be studied by analyzing the number of heart pumps according to physical exercises, while control variable is room temperature.

<h3>What is an independent variable?</h3>

An independent variable is any variable that isn't changed along the experimental procedure, while the dependent variable is modified by the conditions.

The sample size must be statistically significant (N sample size higher than 50 individuals) and a number of trials at least two to compare results.

In conclusion, the effects of exercise on heart rate can be studied by analyzing the number of heart pumps (dependent variables) according to physical exercises (independent variable), control variable is room temperature.

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4 0
1 year ago
What will happen in an area where large deposits of a desired minerals are found?
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Answer:

The area will experience a short-term economic boom

The area will experience a downturn once all of the available resources are mined

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Hope this helps

6 0
3 years ago
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Which statement describes the offspring of the Fı generation when crossing a pea plant that is true breeding for green seeds wit
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The offspring will inherit one allele from each parent.

<h3><u>Explanation</u>:</h3>

The genetic crossing experiments lead to the formation of different hybrids which has several characters unlike their parents. Here the parents are homozygous.

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Now as they are crossed the offsprings will have genetic combination of Yy.

This is seen that the offsprings carry one allele from both the parents.

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3 years ago
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