Of the following, which is a positive aspect of hydropower?
A) increased acidity of dammed water from submerged trees
B) improved habitat for fish and wildlife
C) negligible contribution to atmospheric pollution
D) improved shorelines for wetland preservation and expansion
Answer: C
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The rate of deforestation in the Brazilian Amazon has increased since 2000. Which of the following is NOT a reason for the acceleration in deforestation?
A) the development of new roads and dams B) the expansion of industrial mining and logging C) the incidence of human-ignited wildfires D) the clearing of land for farming by local forest-dwellers E) the growth in corporate farms
The global human population
A) consumes fewer resources in a year than Earth can provide. B) has decreased its resource consumption in the last decade. C) would consume fewer total resources if everyone in the world consumed as many resources as the average American. D) needs 1.5 Earths to sustain its current rate of consumption.
Which of the following regions could be classified as arid:
a. hot and dry b. warm and dry c. cold and dry d. all of the above
In the President's Emergency Plan for AIDS Relief, the George W. Bush Administration pledged over 45 billion to combat AIDS. The Obama Administration discontinued much of the funding for treatment of infected patients
Indicate whether the statement is true or false