What percentage of birds are marine species?
A. 10 percent
B. 30 percent
C. 22 percent
D. 3 percent
E. 27 percent
Answer: D
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When sea levels rise,
A) fresh water on Earth also increases and streams are generally more full. B) fresh water on Earth has flowed into the oceans, so streams are generally less full. C) base levels of river profiles where they reach the sea fall. D) base levels of river profiles where they reach the sea rise.
At high altitudes atmospheric pressure is lower than at sea level. Which of the following is true?
A) Boiling water is cooler in Denver than in New York. B) Boiling water is hotter in Denver than in New York. C) Water boils at the same temperature in Denver and New York. D) We cannot predict the relationship between the boiling points in the two cities.
An alluvial fan ________
A) a fan-shaped sediment mass generated by a distributary channel B) a plant that grows in deltas and is diagnostic of a delta C) a fan-shaped mass of sediment deposited at the base of a mountain front due to an abrupt change in stream gradient D) is another name for a small delta forming along a beach
When crossing the international date line from east to west, the date increases by one day.
Answer the following statement true (T) or false (F)