TOEFL Reading: ETS-TOEFL阅读机经 - Q3L973CD43N2DUYPL$

Paragraph 4 suggests that a significant decrease in snow and ice fields at high latitudes would have what effect A. More clouds and water vapor would be produced in the atmosphere. B. More of the Sun's radiation would be absorbed by Earth. C. The oceans would cool more quickly. D. More precipitation would occur at low latitudes.