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Question
A study of jet contrails following the grounding of commercial flights after the September 11, 2001 terrorist attacks found thatA) contrails have a very limited effect on the Earth's energy budget.
B) contrails reduce diurnal temperature ranges in regions with a high density aircraft.
C) contrails contribute more to cloud-albedo forcing than cloud-greenhouse forcing.
D) contrails are difficult to distinguish from natural cirrus clouds.
Answer
This answer is hidden. It contains 1 characters.
Related questions
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The key idea behind the scientific method is
A) the use of intuition in testing theories.
B) an appeal to supernatural explanations when natural explanations have not yet been found for a phenomenon.
C) the testing of ideas through controlled observations and experiments.
D) unbridled speculation about the world.
Q:
Which of the following is the most strongly supported by experimental and observational evidence?
A) speculation
B) hypothesis
C) educated guess
D) theory
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In order to study the planetesimal hypothesis, astronomers study this process in other parts of the Galaxy.
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Which of the following is true of the biosphere?
A) It is never referred to as the ecosphere.
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C) written scale.
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