What is the substance made up of molten rock, gases, and minerals that reaches the earth’s surface called?

a.
rhyolite

b.
magma

c.
gabbro

d.
lava

one characteristic that is shared by all is a soft body. many

of these invertebrate animals also have an outer shell to protect their

body. oysters, clams, snails, and mussels are all mollusks. so are octopuses, squids, and slugs. mollusks live on land and in freshwater.

the answer is b.) hydrogen bonds between bases.