Comets are asteroids that have gradually gathered water

a. True
b. False


ANSWER: False

Environmental & Atmospheric Sciences

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How many calories must be removed from 5 g of pure water at 10°C to convert the water to ice?

A. 80 B. 450 C. 20 D. 1200 E. 800

Environmental & Atmospheric Sciences

You are an avid skier. What factors should you be sensitive to when skiing to avoid avalanche hazards?

What will be an ideal response?

Environmental & Atmospheric Sciences

About how many cloud droplets does it take to make one rain drop?

a. 100 b. 10,000 c. 100,000 d. 1,000,000

Environmental & Atmospheric Sciences

The extinction of the dinosaurs was likely caused by

A) a massive volcanic eruption. B) an asteroid impacting Earth. C) a substantial diminishing of the Sun's energy output. D) changes in the eccentricity of Earth's orbit. E) changes in the obliquity of the Earth.

Environmental & Atmospheric Sciences