Which of the following best represents a loss of biological wealth?
A) People fishing for catfish in a lake
B) Mining coal from deep underground mines
C) The extinction of several beetle species
D) A naturally occurring fire in a forest
C
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The equation C = gT/2? is appropriate to determine the speed of a deep-water wave.
Answer the following statement true (T) or false (F)
________ is the principal gas in the Venusian atmosphere and also a minor component of the atmospheres of Earth and Mars
A) Nitrogen B) Ozone C) Carbon dioxide D) Methane
Complex computer models have been used to model atmospheric temperature from 1900-2000. At which year, and from this point forward, did the model result not match the observed data using only natural factors?
A. 1900 B. 1950 C. 1995 D. 1975
A towering cloud, or cluster of clouds, accompanied by thunder, lightning, strong gusty winds, and heavy rain is called a(n) ____
A) hurricane B) cyclone C) thunderstorm D) tornado