Sagot :
Answer: A
Explanation: Magmas that have a high silica content will therefore exhibit greater degrees of polymerization, and have higher viscosities, than those with low-silica contents. The amount of dissolved gases in the magma can also affect it's viscosity, but in a more ambiguous way than temperature and silica content.
Answer:
- A. High
Explanation:
Depending on the silica content of magma, the higher the amount of silica the more viscous the magma is
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