What carved this U-shaped valley?





A) A rapidly downcutting river

B) A slowly downcutting river

C) Wind

D) Glacier


D) Glacier

Environmental & Atmospheric Sciences

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The primary cause of soil erosion is ________

A) no-till agriculture B) crop rotation C) strip cropping D) use of crop cover E) over cultivation

Environmental & Atmospheric Sciences

After the explosion of the Deepwater Horizon oil-drilling platform in 2010, Scientists estimate that BP removed about ________ of the oil, most of it recovered directly from the well, burned at sea, or skimmed by boats

A) 10% B) 25% C) 40% D) 75% E) 90%

Environmental & Atmospheric Sciences

Potential energy is ________ energy.

A. Stored B. Electrical C. Heat D. Latent E. Motion

Environmental & Atmospheric Sciences

Beverage container deposit-refund programs

A. are lobbied against by beverage manufacturers. B. reduce litter. C. encourage consumers to recycle beverage containers. D. All of these statements are correct.

Environmental & Atmospheric Sciences