What is one factor that determines how explosive a volcanic eruption will be:
a) viscosity
b) geographic location
c) amount of carbon dioxide
d) elevation of the crest of the volcano
e) proximity to plate boundaries
Answer: a) viscosity
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Material deposited in a long ridge extending out from a coast is called a
A) lagoon. B) tombolo. C) barrier island. D) barrier spit.
How many chiral carbons are present in the open-chain form of an aldohexose?
A) 3 B) 4 C) 5 D) 6
Which of the following has a primary amine as part of its structure?
A) guanine B) thymine C) uracil D) none of these
Judge the following sentence according to the criteria given below: Californian mountain slopes
burned by wildfires are not very susceptible to debris flows the following wet season BECAUSE scorched chaparral vegetation releases a waxy liquid that waterproofs the ground. 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