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A substance that enters Earth's cycles and does harm to living things is A. oxygen. B. freshwater. C. a pollutant. D. hydrogen.
C. a pollutant. A substance that enters Earth's cycles and does harm to living things is a pollutant.
Expert answered|migzptz|Points 7617|
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Asked 7/18/2013 1:09:47 PM
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The four giant gas planets that are made primarily of lightweight elements are A. Earth, Saturn, Neptune, and Venus. B. Jupiter, Saturn, Uranus, and Neptune. C. Venus, Saturn, Uranus, and Neptune. D. Mercury, Venus, Earth, and Neptune.
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When two stars are bound together gravitationally and orbit a common mass, they're known as A. galaxies. B. binary stars. C. meteoroids. D. constellations.
Weegy: When two stars are bound together gravitationally and orbit a common mass, they're known as D. binary stars. User: When electromagnetic radiation is arranged to wavelength and frequency, it forms the A. multiple-spectrum vividness. B. electromagnetic spectrum. C. multiple-vivid spectrum. D. ecliptic plane. Weegy: When electromagnetic radiation is arranged to wavelength and frequency, it forms the: B. electromagnetic spectrum. (More)
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Asked 7/18/2013 1:27:22 PM
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An explosion that destroys the outer portion of a star is known as a A. supergiant. B. protostar. C. nebula. D. supernova.
Weegy: An explosion that destroys the outer portion of a star is known as a: D. SUPERNOVA. User: An explosion that destroys the outer portion of a star is known as a A. supergiant. B. protostar. C. nebula. D. supernova. Weegy: An explosion that destroys the outer portion of a star is known as a: D. SUPERNOVA. (More)
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Asked 7/18/2013 1:24:36 PM
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With a diameter that's 11 times larger than Earth's, _______ is the largest planet. A. Saturn B. Venus C. Jupiter D. Mars
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Updated 7/18/2013 1:29:13 PM
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With a diameter that's 11 times larger than Earth's, Jupiter is the largest planet.
Added 7/18/2013 1:29:13 PM
Dark spots on the photosphere are known as A. the chromosphere. B. solar wind. C. the corona. D. sunspots. User: The photosphere is the innermost layer of the Sun, and it's also the A. visible surface of the Sun. B. atmospheric pressure of Jupiter. C. nickname for the outer atmosphere of Earth. D. invisible surface of the Sun.
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Asked 7/18/2013 1:29:36 PM
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