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Question
Rainforests occupy approximately ________ of the world's land area, but represent about ________ of Earth's species.A) 2%; 12%
B) 7%; 50%
C) 10%; 35%
D) 12%; 65%
Answer
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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.
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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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B) place
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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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The Solar System, Sun, and Earth formed about 4.6 billion years ago.
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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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Living systems are considered
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A) representative fraction.
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C) written scale.
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The transformation of a spherical global to a 2D surface is a
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B) cone.
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C) written scale.
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