This biological process may have resulted in the development of eukaryotic organisms from
primitive prokaryotic organisms:a.
endosymbiosis d. progradation
b. abiogenesis e. outgassing
c. stratification
A
Environmental & Atmospheric Sciences
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The Earth is really a water planet; what percentage of Earth's surface is covered by water?
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This isotope of oxygen is the least common: ________
Fill in the blank(s) with the appropriate word(s).
Environmental & Atmospheric Sciences
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Indicate whether this statement is true or false.
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