From the surface downward, how does soil vary with depth?

a. the soil stays the same from the surface to the parent material

b. the soil becomes wetter, less rocky, and more fertile

c. the soil becomes dryer, looser, and less like the parent material

d. the soil becomes rockier, less fertile, and more like the parent material

Select the correct answer. a chestnut-colored horse mates with a white-colored horse to produce a brown and white spotted offspring. what is the type of inheritance pattern?

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

What are the fixed alleles in the human species? o a. the alleles that are on the most chromosomes b. the alleles that change most often 000 c. the alleles that no one has d. the alleles that everyone has