Chemistry, 31.10.2019 01:31 kennedy6010
Which atmospheric layer has around 80 percent of the mass of the earth's atmosphere?
a. troposphere b. thermosphere
c. stratosphere d. exosphere
Answers: 3
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An atom with 7 protons, 6 neutrons, and 7 electrons has an atomic mass of amu. (enter a whole number.) numerical answers expected! answer for blank 1:
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Which atmospheric layer has around 80 percent of the mass of the earth's atmosphere?
a. trop...
a. trop...
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