Comets are asteroids that have gradually gathered water
a. True
b. False
ANSWER: False
Environmental & Atmospheric Sciences
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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
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
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