The driver behind all life cycles in the entire biosphere is ________
A) the Sun
B) water
C) nitrogen
D) hydrogen
E) oxygen
Answer: A
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Use the analemma to find:
a) The subsolar point on November 10 (marked) b) The subsolar point on May 11 c) The subsolar point today d) The date(s) when the declination is 9°S e) The date(s) when the declination is 21°N
Which one of the following statements is true regarding the Earth's supply of fresh water?
A) The largest volume exists in lakes and reservoirs. B) There is more in the form of water vapor in the atmosphere than there is as liquid groundwater. C) There is more freshwater in glaciers and ice sheets than exists as groundwater. D) There is more water in rivers than exists as soil moisture and groundwater.
You and your friend journey to the mountain foothills to get closer to nature and escape such things as radioactivity. While bathing in the warmth of a natural hot spring she wonders aloud how the spring gets its heat
What do you tell her? You tell her that the hot water is the result of A) industrial thermal pollution. B) radioactivity. C) chemical reactions involving the atomic nucleus. D) nuclear fission.
Marine regression occurs when ____
A)sea level falls with respect to a continent B)sea level rises and the shoreline moves inland C)marine rocks undergo deep-sea pressure and are transformed to metamorphic rocks D)sea water mixed several different layers of sediment types E)volatile elements go into solution in sea water and change the composition of the sedimentary rocks that are formed