You are at the beach, counting the waves as they hit the shore. In 2 minutes you count 15 waves. What is the period and frequency of these waves?

Which muscle is responsible for inhalation ?

What substance acts to prevent sudden ph changes in bodily fluids?

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