How is adding of water to the asthenosphere enhanced the production of magma?
A. Water decreases the friction of the asthenosphere which produces heat and warm rocks that leads to melting of rocks.
B. When oceanic crust dives into the mantle, the water is added to the asthenosphere which melts the portions of asthenosphere forming large quantities of magma.
C. Water increases the amount of gases that build up underneath which leads to the formation of magma.
D. When water is added to the asthenosphere, a decrease in pressure occurs which melts some portions of asthenosphere forming magma.
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Answer:
C
Explanation:
because it increase the amount of gases