The ammonia and methane in the early atmosphere were removed when they reacted with oxygen. Add the missing numbers to complete
the equations for these processes.

CH4 + _O2 → CO2 + _H2O

_ NH3 + _O2 → _N2 +_ H2O

well, they made a movie about how animals lived there.

rotten tomato score 95%

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explanation:

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what's the

i don't see a text, but i am gonna assume this *orbit* the curved path, usually elliptical, described by a planet, satellite, spaceship, etc., around a celestial body, as the sun.