Geography, 03.08.2019 10:00 brooklyn4932

Will mark brainliest! : ) what evidence has scientists study the origin of water on earth? a. the number of current volcanic eruptions b. the ratio of deuterium to ordinary hydrogen c. the chemical composition of the planetary nebula d. the frequency of asteroid collisions explain your answer! : ) !

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Will mark brainliest! : ) what evidence has scientists study the origin of water on earth? a. th...