In the semi arid regions of china, the country's inhabitants have practiced water harvesting for generations. water harvesting is the process of collecting rainfall and/or runoff for later use. how does this water conservation method the environment?

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