17. Which of the following gives importance to the scientist in understanding on how Earth has liquid water, which in turns made the planet livable?
A. The composition of a comet.
B. The chemical composition of an asteroid.
C. The occurrence of different elements and compounds.
D. The position of the earth and its axis.
A. The composition of a comet.
B. The chemical composition of an asteroid.
C. The occurrence of different elements and compounds.
D. The position of the earth and its axis.
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Answer:
B. The chemical composition of an asteroid
Explanation:
Multiple geochemical studies have concluded that asteroids are most likely the primary source of Earth's water. Carbonaceous chondrites–which are a subclass of the oldest meteorites in the Solar System–have isotopic levels most similar to ocean water.
Answer:
17. Which of the following gives importance to the scientist in understanding on how Earth has liquid water, which in turns made the planet livable?
A. The composition of a comet.
B. The chemical composition of an asteroid.
C. The occurrence of different elements and compounds.
D. The position of the earth and its axis.
Explanation:
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