The extinction of the dinosaurs was likely caused by

A) a massive volcanic eruption.
B) an asteroid impacting Earth.
C) a substantial diminishing of the Sun's energy output.
D) changes in the eccentricity of Earth's orbit.
E) changes in the obliquity of the Earth.


B

Environmental & Atmospheric Sciences

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Which of the following is a prominent example of an industry that generally requires less-skilled, low-cost workers?

A) textiles B) steel C) auto D) education E) publishing

Environmental & Atmospheric Sciences

During the Triassic, the climate of the low and middle latitudes was ____

a. tropical b. temperate c. cold desert d. arid e. arctic

Environmental & Atmospheric Sciences

What are the driving forces for Earthquakes at the large scale?

a. Solar radiation b. Tectonic forces (i.e., plate tectonics) c. Movement of magma (i.e., volcano activity) d. Sudden slip on an existing fault e. Both b, c, and d

Environmental & Atmospheric Sciences

Along many low-lying sections of the U.S. Atlantic and Gulf Coasts, a 1 ft rise in sea level may equate to as much as ________ ft of inland movement of the beach. 

A. 100  B. 10,000  C. 1,000  D. 10  E. 1 

Environmental & Atmospheric Sciences