________ compels subsistence farmers to consider new farming approaches to generate higher yields
A) Local governments
B) Population growth
C) Emigration
D) Civil strife
E) Hydroelectric power projects
Answer: B
Environmental & Atmospheric Sciences
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Which is an example of a renewable resource?
A. freshwater B. oil C. natural gas D. copper
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According to our text, by 2008, the financial cost to the people of the United States from the war in Iraq was about $3 trillion, when all the costs associated with the war are included
Indicate whether this statement is true or false
Environmental & Atmospheric Sciences
Marine oil pollution is a type of water pollution.
Answer the following statement true (T) or false (F)
Environmental & Atmospheric Sciences
What are the rounded hills inside the Valles Caldera?
A. cinder cones B. landslides C. volcanic necks D. volcanic domes
Environmental & Atmospheric Sciences