If resources get low, the population's numbers can decrease.
Lots of people were dead so they wasn’t anyone to farm or work
Answer: "the Earth's mantle" .
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The asthenosphere "floats" on the "mantle" [of the interior] Earth.
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The answer is III, raising retirement age and building more schools will not affect this situation very much, while paid maternity leave will help raise the birth rate.
The innermost layer or the lower most layer of the Sun's atmosphere is called the photosphere. It is the visible surface of the sun that we are most familiar with. The sun is a ball of gas; however, the solid shape we see is actually just a layer which is about 100 km thick. The correct answer to this question is letter "C. Photosphere".
