When a load of wood is thrown overboard from a boat in a swimming pool, the pool level
A) rises.
B) falls.
C) remains unchanged.
Answer: C
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The angular size of the Moon in the sky is about
a. 1/2 degree. b. 5 degrees. c. 10 degrees. d. 1.6 kilometers. e. 4000 kilometers (1/4 Earth's diameter).
Uranus and Neptune have methane clouds but Jupiter and Saturn do not. Which factor explains why?
A) The stronger gravity on Jupiter and Saturn pulls methane downward so that it can't form clouds. B) Jupiter and Saturn do not contain any methane gas. C) The rapid rotation of Jupiter and Saturn prevents methane clouds from forming. D) Temperatures on Jupiter and Saturn are too high for methane to condense.
What is the mass in kilograms of an astronaut on the Moon who weighs 185 lb on Earth?
Municipal recycling programs are generally successful
What will be an ideal response?