Q.9. In volcanic areas, groundwater heated by magma is a source of
energy

a) solar
b) hydroelectric
c) biomass
d) geothermal

Q.10. What is the largest and most active volcano in the world?

a) Olympus Mons
b) Mount Ruiz
c) Mauna Loa
d) Mount Vesuvius

Q.11.
forms when repeated lava flows build up a broad, gently
sloping mountain, like Mauna Kea in Hawaii.

a) Cinder cones volcano
b) Composite volcano
c) Shield volcano
d) Lava dome volcano

Correct answers are below.

Q.9. In volcanic areas, groundwater heated by magma is a source of

energy

D., or "geothermal".

Q.10. What is the largest and most active volcano in the world?

C., or "Mauna Loa".

Q.11.

forms when repeated lava flows build up a broad, gently

sloping mountain, like Mauna Kea in Hawaii.

C., or "Shield volcano".

a. the production of carbon dioxide through the process of photosynthesis

sulfur dioxide

explanation: acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. these substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.