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tia_tia [17]
3 years ago
5

This is when animals control the breeding process.

Biology
1 answer:
yan [13]3 years ago
8 0

Answer:

wdym dude

Explanation:

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An isotope has an atomic number of 8 and an atomic mass number of 18.how many neurons does it have?
defon
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Two balloons having the same charge of 1.2 × 10-6 coulombs each are kept 5.0 × 10-1 meters apart. What is the magnitude of the r
Pavel [41]
The answer is <span>5.2 × 10-2 newtons.

To calculate this, we will use Coulomb's Law:
</span>F = \frac{k *  Q_{1} *  Q_{2} }{ r^{2} }
where F is repulcive force, k is constant, Q is charge, r is distance between charges.
<span>
If:
</span>Q_{1} = Q_{2} = 1.2 × 10^{-6} C²
r = 5.0 × 10^{-1} C²
k = 5.0 × 10^{9} \frac{N*m^{2} }{ C^{2} }

Then:
<span>F = \frac{5.0* 10^{-1} \frac{N* m^{2} }{ C^{2}} * 1.2 * 10^{-6} C * 1.2 * 10^{-6} C }{(5.0* 10^{-1} m)^{2}}
</span>⇒ F=  \frac{9 * 1.2 * 1.2 *  10^{-3} N }{25* 10^{1} }
⇒F =  \frac{12.96* 10^{-2} }{25} N
⇒ F = 5.2 N

3 0
3 years ago
6. Which of the following describes the frozen underground soil that is found in the tundra a. polar ice c. permafrost b. hard f
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7 0
3 years ago
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A hiker is climbing up a steep path. Halfway up, he finds the muscles in his
scoray [572]

Answer:

A. He has a large buildup of lactate in his muscles.

Explanation:

Ideally, our body cells, via the process of aerobic cellular respiration, need oxygen to break down glucose. However, during rigorous activities or exercises, oxygen can become unavailable for use. In this case, the body cells switch to use another way of cellular respiration, which is FERMENTATION.

This fermentation causes a build up of lactic acid/lactate (its byproduct) in the cells of the muscles being used, which physically causes a burning and aching sensation just as the case of this hiker. The climbing of the steep path is causing causing the fast usage of oxygen in his cells.

5 0
3 years ago
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