From Kepler's ________ law, we conclude that the planets do not move with constant speed.
A. First
B. Second
C. Third
Answer: B
Environmental & Atmospheric Sciences
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The magnetic field of the earth is most likely generated in the:
a. lithosphere b. asthenosphere c. mantle d. core
Environmental & Atmospheric Sciences
The greenhouse gas carbon dioxide (CO2) is not covered by the Clean Air Act
a. True b. False
Environmental & Atmospheric Sciences
A mineral is composed of
A. Other minerals B. Inorganic elements C. Organic material D. Noncrystalline elements E. A metal and a crystal
Environmental & Atmospheric Sciences
Silicates most commonly form ________
A) under extreme pressure B) at the surface of the earth C) from cooling molten rock D) from other silicates
Environmental & Atmospheric Sciences