Coccolithophorids and diatoms both use calcium carbonate as part of their external skeletons, or shells.
Answer the following statement true (T) or false (F)
False
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Heat waves are generally considered to be little more than a nuisance and are not responsible for
considerable loss of life. Indicate whether the statement is true or false.
In the years 2004-2010, the benefit to cost ratio
A) always had more benefits than costs. B) always had more cost than benefits. C) usually had more costs than benefits. D) usually had more benefits than costs.
Sea level rise is caused not only by the melting of polar and glacial ice but also by
A) greatly increased rainfall over oceans. B) freshwater being forced from groundwater into rivers and then to the oceans. C) the fact that water expands in volume as it warms. D) the effects of hurricanes and typhoons.
Oil and gas tend to concentrate in the low areas of a fold; i.e., near the bottom of a syncline
Indicate whether the statement is true or false