Analysis of rocks returned from the lunar maria during the Apollo program suggest they formed
A) during the period of early bombardment constituting the first few hundred million years of the Earth's history
B) fairly recently during the last million years or so
C) roughly 65 million years ago
D) between 3.9 and 3.0 billion years ago
D
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The ____________________ is that the universe is both isotropic and homogeneous
Fill in the blank(s) with correct word
Globular clusters can be used to measure the distance of nearby galaxies
a. True b. False Indicate whether the statement is true or false
Is pressure a (A) vector or (B) scalar quantity?
(A) Vector quantity (B) Scalar quantity
When a Hooke's law spring is stretched a distance 3x, how much is the increase in energy stored in it from when it was stretched a distance x? Give your answer in terms of a multiple of the energy stored in the spring when it is stretched a distance x
a. It is 3 times as much. b. It is 8 times as much. c. It is 4 times as much. d. It is 9 times as much.