Satellite observations show Arctic ________
A) animals will do better as the ocean warms
B) sea ice is drifting to lower and lower latitudes
C) vegetation is getting more sparse because of warming temperatures
D) air pollution is the direct cause of warming in the region
E) glacial ice is now undergoing more extreme melting then decades ago
Answer: E
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When trying to assess the reliability of a highly complex system, the human reliability component typically has a much lower reliability factor compared to technological reliability.
Answer the following statement true (T) or false (F)
Which activity is an example of environmental degradation?
A. Using solar power at a rapid rate B. Growing crops for food C. Cutting trees for wood products faster than the trees can regrow D. Harvesting fish at a sustainable rate E. Using groundwater at the same rate it is replenished
Almost all of the world's human inhabitants are living on ________ of Earth's total land surface
A. 85% B. 50% C. 25% D. 10%
Which of the following reactions illustrates an amphoteric compound?
A) 2 HF ? H2F+ + F- B) NaOH + HBr ? NaBr + H2O C) 2 H2 + O2 ? 2 H2O D) All are amphoteric. E) none of the above