The 1992 Earth Summit was concerned primarily with this type of issue
A) population growth
B) the status of women
C) water pollution
D) global environmental issues
Answer: D
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Which of the following is not true of soft water?
A) It requires special filters and chemicals to produce. B) It may clog pipes. C) It may add toxic metals to drinking water. D) It may corrode pipes.
Humans are exempt from population overshoot and dieback.
Answer the following statement true (T) or false (F)
The important general conclusion that can be made from this data on herbivory is that ________
A) herbivory is in equilibrium at distance represented by dotted line B) herbivory increases tropical tree diversity C) herbivory decreases tropical tree diversity D) more field studies are needed before any conclusion can be made E) controlled herbivory can be beneficial during field studies
Earth's atmosphere ________
A) extends upward for 5,000 km above Earth's surface B) technically stops at 1 m above the surface C) penetrates Earth's surface D) is much denser in the stratosphere than in the troposphere E) is denser than ocean water