Author Question: Why are dissolved gases present in magma, but not lava? A) The gases condense to form liquids ... (Read 191 times)

Caiter2013 · **on:** Jul 16, 2018

Why are dissolved gases present in magma, but not lava?

A) The gases condense to form liquids once magma hits the earth's surface.
B) The gases escape once magma hits the earth's surface.
C) The gases combust once magma hits the earth's surface.
D) The gases crystallize once magma hits the earth's surface.

Question 2

Why is methane gas the least abundant gas in magmas?

A) Methane is only found deep within the earth.
B) Methane is repelled by heat.
C) Water vapor, carbon dioxide, and odorous sulfur compounds are the primary gases.
D) Methane turns to liquid in the presence of magma.