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Which of the following is a factor that determines the composition of magma?

a. Viscosity
b. Texture
c. Elasticity
d. Color

User Olja
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1 Answer

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The correct answer is letter A. Viscosity. A factor that determines the composition of magma is through it's viscosity. Viscosity is affected through the amount of dissolved gases in the magma, but in a more ambiguous way than silica content and temperature.
User Foxybagga
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