Match the following. Match the items in the left column to the items in the right column. 1.
horizon
layer of distinct soil
2. soil
elevation and slope of land
3. soil profile
arrangement of horizons in a soil
sample
4. topography
top layer of mineral and organic
material on Earth's surface

within 30 of the equator hope this

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).

b) the inside picture would look at a very high temperature in a very low ph