What effect will black carbon deposits have on glacial ice?
A) Black carbon will insulate the ice, preserving it
B) Black carbon will slow the rate of melting
C) Black carbon will absorb more heat, increasing melting
D) Black carbon has no effect on glacial ice
Answer: C
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China's family planning and birth control program was instituted because of a serious threat of ____________________
Fill in the blanks with correct word
Use Figure 22.2 along with Figure 22.1 to determine the gage height of these flood frequencies. (Use the flood frequency curve in Figure 22.2 to obtain the discharge, and then use that discharge on the rating curve to determine the associated gage height.)
20-year flood: ________________
300-year flood: ________________
400-year flood: ________________
The magnetic North Pole migrated northward from 1902-2002. How did magnetic inclination readings in the continental United States change during that period?
A. Inclination remained constant B. Inclination became steeper (moved towards vertical) C. Inclination became less steep (moved towards horizontal)
Which of the following relates wave height (H) and wave amplitude (A)?
A. H = A B. H = A2 C. H = A/2 D. H = A/3 E. H = 2A