1. Another phenomenon that causes changes on the earth's surface is the volcanic eruption through a volcano. Volcanic eruptions can have beneficial effects. What are those? 1. Volcanic minerals and stones II. Lahars or mud flows III. Hot spring and Geothermal energy IV. Poisonous gases a. I and III c. III and IV b. II and III d. I, II and II
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Answer:
ashes emmited by the volcano can make the soil more infertile