Multiple Choice
Which of the following statements regarding variations in Earth's orbit is true?
A) even together, they don't produce enough temperature change to cause an ice age.
B) they can fully account for the recent rise in global temperature.
C) their combined effect on past global temperatures is purely hypothetical.
D) their effect on global temperatures was only recently discovered by NASA scientists.
E) all of the answers listed here.
Correct Answer:

Verified
Correct Answer:
Verified
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