An exploration vehicle moves at 12 km/h both on Earth and on Mars. On Mars its momentum is

A. less.
B. the same.
C. greater.
D. not enough information


Answer: B

Environmental & Atmospheric Sciences

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About ________ percent of the solar energy that falls on plants is captured for photosynthesis.

A. 10-20 B. 60-70 C. 40-50 D. 1-2 E. 100

Environmental & Atmospheric Sciences

Microscopic crystals of silica form a hard rock called chert, which can be shaped to form sharp cutting edges

Indicate whether the statement is true or false

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The current pattern of religious affiliation in the US remains quite complex, and one can find observers of nearly every major religion, and many minor ones, in virtually every area of the country.

a. true b. false

Environmental & Atmospheric Sciences

Clouds are classified on the basis of all of these factors except

A) dew point. B) form. C) altitude. D) whether the cloud is raining.

Environmental & Atmospheric Sciences