The hydrologic cycle is driven primarily by
a. solar energy and gravity
b. solar energy and the moon
c. solar and mechanical energy
d. mechanical and chemical energy
e. chemical energy and the moon
A
Environmental & Atmospheric Sciences
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In a population with a tar of 2, the
A) CBR = CDR. B) doubling time = 0. C) life expectancy = 0 D) IMR = 0. E) Demographic Transition is in full swing.
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The weight of an object is defined to be the force
A. equal to your normal force on any surface. B. you exert against a supporting surface. C. due to gravity only. D. none of the above
Environmental & Atmospheric Sciences
NGOs include environmental organizations.
Answer the following statement true (T) or false (F)
Environmental & Atmospheric Sciences
The fossil record shows no significant change in terms of the diversity of organisms through time
a. True b. False
Environmental & Atmospheric Sciences