hamidaakter936848
16.11.2020 •
Biology
7) The accumulation of water vapor, carbon dioxide, and nitrogen in Earth's early atmosphere
approximately 4 billion years ago resulted mainly from
A) outgassing from Earth's interior
B) radioactive decay
C) photosynthesis by the earliest land plants
D) convection currents in Earth's outer core
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Ответ:
a safe from extinction. 20% is low