Which of the following is a biotic factor?
A) bacteria
B) sunlight
C) carbon and nitrogen levels
D) rainfall
E) temperature
A
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Compared to the North Atlantic, hurricanes form in the South Atlantic:
A) more frequently. B) with about the same frequency and intensity. C) much less frequently. D) with about the same frequency, but with much less intensity.
The reaction of oxygen with an unsaturated fatty acid gives which of the following products?
A) a phenol B) a hydroperoxide C) vitamin E D) none of the above
Low, layered clouds associated with gray, overcast skies are called ____
a. cirrus b. stratus c. lenticular d. cumulonimbus e. cumulus
Judge the following sentence according to the criteria given below: Marine sediments can't provide insight into today's climate changes BECAUSE they reveal a detailed history of Earth's past climate
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.