3 years ago

Key evidence that mars may once have had much more water than it does today-perhaps enough to form an ocean-comes from ________.

1 answer:

7 0

The answer to this question is precisely the "measurement of the atmospheric ratio of the given deuterium to the given ordinary hydrogen". Hence, if we complete the statement in the problem, we have it, the key evidence that Mars may once have had much more water than it does today- perhaps enough to form or accommodate an ocean comes from the measurement of the atmospheric ratio of the deuterium to the given ordinary hydrogen.

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