How did volcanoes change Earth in the first two billion years?
O A. They outgassed water vapor and carbon dioxide into the
atmosphere.
O B. They caused plate movement that arranged the continents we
have today.
O C. They gradually heated the planet.
O D. They created sedimentary rock.

The volcanoes provided, on the surface of the earth, the heat, water and the powerful cocktail of organic compounds (hydrogen sulphide, arsenic) that are at the beginning of life. ... The intense performance of CO2 (carbon dioxide) volcanoes allowed the Earth's heat to fix itself permanently in our atmosphere.

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How did volcanoes change Earth in the first two billion years? O A. They outgassed water vapor and carbon dioxide into the atmosphere. O B. They caused plate movement that arranged the continents we have today. O C. They gradually heated the planet. O D. They created sedimentary rock.

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How did volcanoes change Earth in the first two billion years?
O A. They outgassed water vapor and carbon dioxide into the
atmosphere.
O B. They caused plate movement that arranged the continents we
have today.
O C. They gradually heated the planet.
O D. They created sedimentary rock.