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

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

energy

"geothermal" or d.

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

"Mauna Loa" or c.

Q.11.

forms when repeated lava flows build up a broad, gently

sloping mountain, like Mauna Kea in Hawaii.

"Shield volcano" or c.

genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).