how does contour plowing in farming to prevent pollution?

a) contour plowing is used to treat pathogens in livestock waste.

b) contour plowing is used to reduce the amount of fertilizers used.

c) contour plowing is used to make insecticides less toxic.

d) contour plowing is used to reduce erosion and sediment pollution.

your answer is true

i am 100% sure

explanation:

an organism's phenotype is the  form of a trait  that it  displays. for  flowercolor, a pea  plant  can  display  a phenotype of purple or white flowers. an organism's  genotype  is the alleles of a gene it contains. based on his data, mendel concluded that a phenotype can be  determined  by more than one  genotype.