Stalactites and stalagmites often meet and continue growing to form pillar-like _______________
Fill in the blank(s) with correct word
columns
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Earthquake A is classified as a 3 on the Richter Scale. Earthquake B is classified as a 6. How many times more energy has Earthquake B released than Earthquake A?
A) 3 times B) 96 times C) 1,000 times D) 33,000 times
The Everglades restoration project in Florida ________
A) will result in serious depletion of drinking water supplies for humans in south Florida B) seeks to exterminate numerous invasive fish species and plants C) is a short-term restoration project with a two-year implementation plan D) is restoring natural levels of water flow by undoing numerous channeling and drainage projects E) will probably destroy much of the commercial fishing in the area
Where does most solar radiation arriving at Earth fall on the electromagnetic spectrum?
A. ultraviolet B. visible C. infrared D. microwave E. X-ray
The biodiversity in an area is ________
A) generally unimportant to biogeography B) the number of different kinds of organisms present C) a measure of how inbred are the genes of any species D) usually unrelated to the overall health of the natural environment E) impossible to measure