Explain three conditions under which magma can form.

Magma is formed by both wet and dry melting processes. By melting different parts of the layers of the earth, basaltic, rhyolitic and andesitic magma will be formed. Wet and Dry Melting In order for magma to form, wet or dry melting of rocks or minerals must occur.

Explanation:

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it may cause temperature increases in or pressure decreases on mantle rock, when water is added to rock. decreasing pressure and adding fluids

Explanation:

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