A student researching volcanoes has taken notes:

• Volcanic eruptions release gases, ash, and lava • Major eruptions can affect global climate for years • Volcanic soil is extremely fertile for agriculture • Indonesia has the most active volcanoes worldwide • Geothermal energy harnesses volcanic heat

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The student wants to show both dangers and benefits of volcanoes.

A

Indonesia has more active volcanoes than any other country.

B

While volcanic eruptions can devastate and affect global climate, volcanoes also provide fertile soils and geothermal energy—showing both their dangers and benefits.

C

Volcanic eruptions release gases, ash, and molten lava.

D

Geothermal energy systems harness heat from volcanic areas.

Correct Answer: B

Choice B. Devastation vs. fertile soil and energy shows both dangers and benefits.