15.
Anthropogenic changes are changes that are caused by which of the following?
A.) animals

B.) people

C.) plants

D.) weather

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

Give examples of selective advantage of organism’s body part/organ

Number and variety of living organism; includes genetic, species, and ecological types