Volatiles that come out of the Earth as volcanic products a. constitute 50% of most magma. b. were mixed with the molten rock. c. are brought to the surface in "dry" melts. d. often contain little water vapor.

Question

Chemistry

Demarcus Lin

7 June, 02:27

Volatiles that come out of the Earth as volcanic products a. constitute 50% of most magma. b. were mixed with the molten rock. c. are brought to the surface in "dry" melts. d. often contain little water vapor.

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Answers (1)

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Lincoln Cochran · Answer 1

Option (B)

Explanation:

The volatile substances are usually referred to those substances that can be easily evaporated into the atmosphere at normal temperature. Some of the common volatile present in the molten materials such as magma are H₂O, CO₂, H, N, CH₄, and SO₂.

These volatile substances are found to be mixed with the magma, which is commonly known as the molten material. When this magma comes out to the surface, the pressure decreases, and it escapes into the atmosphere forming bubbles, and these are harmful gases that are harmful to the atmosphere.

Thus, the correct answer is option (B).