The major driving force of Plate Tectonics is ________
A) decompression melting and the rise of magmas at spreading ridges
B) heating of magma near the surface of the lithosphere
C) subduction of cold, dense lithosphere
D) subduction of hot lithosphere
C
Environmental & Atmospheric Sciences
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The shrinkage of the Aral Sea has actually altered the climate of the area around it
Indicate whether the statement is true or false
Environmental & Atmospheric Sciences
The combined albedo of Earth and the atmosphere is approximately ____ percent
a. ?4 b. ?10 c. ?30 d. ?50 e. ?90
Environmental & Atmospheric Sciences
Isotopic dating has shown that the precambrian era took up ________% of all geologic time.
A. 15 B. 46 C. 95 D. 87 E. 62
Environmental & Atmospheric Sciences
The UV index ranges from ________
A) 1 to 100 B) 100 to 1,000 C) -10 to 10 D) -100 to 100 E) 1 to 11 or greater
Environmental & Atmospheric Sciences