High-speed winds can cause ________, clouds of sand moving rapidly near the land surface.

A. deflation
B. sand storms
C. dust devils
D. bajadas
E. dust clouds


Answer: B

Environmental & Atmospheric Sciences

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Environmental & Atmospheric Sciences

The land surface area of the earth is approximately 1.49 x 10^8 km2. Which of the following is the correct way to write this in conventional notation?

A) 0.00000000149 km2 B) 149,000,000 km2 C) 14,900,000,000 km2 D) none of these

Environmental & Atmospheric Sciences

Given the calculation: (6.02 x 10^23)/12.00 = ? What is the answer reported to the correct number of significant figures?

A) 1.993 x 10^-23 B) 1.99 x 10^-23 C) 5.017 x 10^22 D) 5.02 x 10^22

Environmental & Atmospheric Sciences

Which of the following sites has volcanoes related to subduction? A is on an island arc, B is in the Andes, C is near Hawaii, D is along a midocean ridge.



A) A and B
B) B and C
C) C and D
D) A and C
E) B and D

Environmental & Atmospheric Sciences