A key option during the transition from oil to renewable energy sources is

A. coal.
B. nuclear energy.
C. biomass.
D. natural gas.
E. ethanol.


Answer: D

Environmental & Atmospheric Sciences

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When Freddy Frog drops vertically from a tree onto a horizontally-moving skateboard and doesn't slip off, it is likely due to

A. inertia in motion. B. impulse. C. friction between his feet and the board. D. momentum change.

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Since 1945, approximately ____ species of insects and rodents have developed resistance to one or more insecticides

a. 50 b. 500 c. 1,000 d. 2,000 e. 5,000

Environmental & Atmospheric Sciences

________ are long, linear scratch marks carved onto bedrock by glacial abrasion

A) Eskers B) Glacial troughs C) Glacial striations D) Hanging valleys

Environmental & Atmospheric Sciences

The figure above shows an upper-level 500 mb weather map drawn over North America. Where do you expect the highest wind speeds to occur?

a. no difference between 1 and 2 b. 2 c. 1

Environmental & Atmospheric Sciences