Which of the following is an example of erosion?

a. the wind blows the topsoil from a freshly plowed piece of land.

b. cold temperatures freeze the surface of a pond.

c. during a drought, a pond dries up and all the fish die.

d. in fall, leaves change colors from green to orange.

In cattle a single gene with two alleles determines fur color the fur can be red white or roan roan fur has both red and white hair which of the following statements is true a the allele for roan fur color is dominant over red and white fur color b the allele for red fur color is dominant over white and roan fur color c the roan and white alleles are expressed independently of the other d the red and white alleles are expressed independently of each other