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oksian1 [2.3K]
3 years ago
8

the countries with the highest fertility rates are also the ones with the highest infant mortality rates. which one causes which

and how do we know?
Biology
1 answer:
kumpel [21]3 years ago
4 0

Answer: Higher infant mortality rates cause higher fertility rates.

Explanation:

Countries with high infant mortality rates are usually countries where families rely on children to help out the family. High infant mortality rates and a need for children means that those people will continue to try to have children until they have some that survive. If more children die, and people need to have more children, there will be a higher fertility rate.

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Scientist involved in biotechnology sometimes insert DNA of one organism into a second organism. What is the purpose of this pro
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The answer is 51.0 ml but can someone explain why please
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\boxed{\sf A. \ 51 \ mL}

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\sf Radius \:  of \:  sphere  \: (r) =  \frac{Diameter \:  of \:  sphere \: (d)}{2}  \\  \sf =  \frac{4.6}{2}  \\ \sf  = 2.3 \: cm

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\boxed{ \bold{V =  \frac{4}{3} \pi {r}^{3} }}

By substituting value of r we get:

\sf \implies V =  \frac{4}{3}  \times \pi \times  {(2.3)}^{3}  \\  \\  \sf \implies V =  \frac{4}{3}  \times 3.14 \times 12.167 \\  \\ \sf \implies V =    \frac{152.81752}{3} \\  \\   \sf \implies V =  50.94 \:  {cm}^{3}  \\  \\   \sf \implies V  \approx 51 \:  {cm}^{ 3}

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Water displaced by the sphere = 51 mL

6 0
3 years ago
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