Water vapor plays a significant role in the greenhouse effect
Indicate whether the statement is true or false.
Answer: TRUE
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Devils Tower probably represents ____
a. a sedimentary debris flow b. the eroded neck of a volcano c. vertically tilted metamorphic rocks d. a granite batholith e. a salt dome
Because it does not affect the crop yield or nutritional value, a local grower advertises that in his orchard he does not use
A) cosmetic spraying. B) insurance spraying. C) crop rotation. D) natural predators.
Longitude is
A) an angular distance measured east or west of a prime meridian. B) characterized by an arbitrary equator based on the old German capitol in Berlin. C) an angular distance measured north or south of the equator. D) determined by Sun altitude above the horizon. E) the basis for establishing parallels.
Zooxanthellae are ________.
A. used in the treatment of wastewater B. symbiotic algae that provide energy to many species of corals C. an invasive kelp species in the Indian Ocean D. bacteria that fix nitrogen in ocean sediments