Which answer choice is correct about alleles?

one characteristic that is shared by all is a soft body. many

of these invertebrate animals also have an outer shell to protect their

body. oysters, clams, snails, and mussels are all mollusks. so are octopuses, squids, and slugs. mollusks live on land and in freshwater.

a=c and then d= c because of the band so you get ac/dc and you add them together you get sound waves