The Cretaceous-Tertiary mass extinction was apparently caused by a meteorite that struck
A) Yucatan Peninsula
B) Pacific coast of Canada
C) Europe
D) Australia
A
Environmental & Atmospheric Sciences
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Among the world's primary food security concerns is that the world's growing urban areas continue to be entirely dependent on the world's shrinking rural areas for food
Indicate whether this statement is true or false
Environmental & Atmospheric Sciences
Although most of the rich countries in the world have called for an end to farm subsidies, the United States is strongly opposed to such a move
Indicate whether the statement is true or false.
Environmental & Atmospheric Sciences
The pressure gradient force is non-existent at the equator
a. True b. False
Environmental & Atmospheric Sciences
Which of these four numbered features on the surface or in a cave can be formed by the dissolution or collapse of limestone?
A) 1 and 2
B) 2 and 3
C) 3 and 4
D) 1 and 3
E) 1 and 4
Environmental & Atmospheric Sciences