Rising magma forms volcanic arc if it is in ocean, and it forms island arc if it is on continental margin.
a. true
b. false
Answer: b. false
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Nutrias are large, herbivorous, semi-aquatic rodents native to South America that live in Louisiana. They have destructive feeding and burrowing behaviors. What term would a biologist use to classify this nonnative species based on its ecosystem role?
What will be an ideal response?
The energy source with the highest net energy ratio for space heating is
a. Oil b. active solar c. passive solar d. electric resistance heating e. Wind
Absolute humidity is:
A) density of water vapor. B) the best measure of water content. C) not affected by changes in volume or pressure. D) none of the above
In a pure sample of which of the following is there no hydrogen bonding?
A) CH3NH2 B) (CH3)2NH C) (CH3)3N D) None, pure samples of all these have hydrogen bonds.