5. The atmosphere is heated mainly by
(a) insolation
(b) terrestrial radiation
(c) global warming
(d) ultraviolet rays
6. Warm air rising from the earth's surface is replaced by cool air from above, causing currents that
transfer heat upward by
(a) conduction
(b) convection
(c) insolation
(d) global warming
7. Pick the greenhouse gas.
(a) carbon dioxide
(b) oxygen
(c) nitrogen
(d) all of these
Answers
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Answer:
Q6. the answer is option (a) conduction
Q7. the answer is option (a) carbon dioxide
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Answer:
Q5 the correct for this question is B Terrestrial Radiation
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