Sinking air _________ cools adiabatically. a. sometimes b. never c. always
Which of the following statements is/are correct? a. convection can occur over the ocean b. air motions are usually downward around a cumulus cloud c. the temperature of the rising air at a given level inside a cumulus cloud is normally warmer that the air around the cloud d. all of the above
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Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
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