Which of the following technologies is currently allowing us to decrease carbon emissions from automobiles?

A) the internal combustion engine
B) hydrogen fuel cells
C) wind-powered vehicles
D) solar cars
E) nuclear cars


Answer: B

Environmental & Atmospheric Sciences

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Can you identify from the two maps’ regions where PRECIP supply (16.1a) is higher than POTET demand (16.1b)? Compare the two maps and describe these regions.


What will be an ideal response?

Environmental & Atmospheric Sciences

Although European countries today largely discourage immigration, the region attracts immigrants from:

A) Russia B) South America C) India D) Africa and the Middle East E) China

Environmental & Atmospheric Sciences

Arsenic is released into drinking water

a. from inorganic fertilizers b. from sewage and animal wastes c. from food processing facilities d. when any well is drilled down to the water table e. from mining refuse

Environmental & Atmospheric Sciences

Which is an example of a renewable resource?

A. freshwater B. oil C. natural gas D. copper

Environmental & Atmospheric Sciences