Explain how poverty drives population growth.
What will be an ideal response?
To many poor people, having more children is a matter of survival. Children are effectively the labor force for a poor family, helping with crop tending, gathering wood or fuel, hauling water and livestock tending. Children also help to care for their aging parents, most of whom do not have social security, health care, and retirement funds. This daily struggle for survival is largely why populations in some of the poorest countries continue to grow at high rates.
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If nitrogen, N2, were pumped into your lungs at high pressure, what would happen to its solubility in your blood stream?
A. You cannot change solubility of a substance by changing the pressure. B. The greater the pressure, the greater the solubility. C. Nitrogen is not soluble in your blood. D. The greater the pressure, the lower the solubility.
For purposes of discussing eolian processes, the wind acts like a
A) solid. B) gas. C) plasma. D) fluid.
What do we call someone who makes maps?
a) Geographer b) Surveyor c) Cartographer d) Engineer
More current will occur in a lamp when its filament is
A. cold. B. hot. C. either cold or hot. D. none of the above