The major difference between intrusive igneous rocks and extrusive igneous rocks is
A. type of minerals
B. chemical composition
C. whether they solidify beneath or on the Earth's surface
D. all of the preceding
Answer: C
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A rock found on Earth that came from space is called ________.
Judge the following sentence according to the criteria given below. Deltas are immune from the effects of sea-level rise because deltas are headlands that build into the sea by the deposition of river sediment
A) The assertion and the reason are both correct, and the reason is valid. B) The assertion and the reason are both correct, but the reason is invalid. C) The assertion is correct but the reason is incorrect. D) The assertion is incorrect but the reason is correct. E) Both the assertion and the reason are incorrect.
Intense geologic activity occurs at plate
A. bottoms. B. boundaries. C. centers.
The most extensive anthropogenic biome is
A) cropland. B) forested lands. C) rangelands. D) settlements.