These items are all examples of processed materials.
Allele frequency refers to how common an allele is in a population. It is determined by counting how many times the allele appears in the population then dividing by the total number of copies of the gene. The gene pool of a population consists of all the copies of all the genes in that population.
The answer is C.Petroleum I hope this helped ^^
It typically slopes down from the base of a steeper retreating desert cliff, or escarpment, but may continue to exist after the mountain has eroded away. it is caused be erosion
The answer is B. Cell membrane and cytoplasm