Evaluate this was a simulation. What are some variables that this peppered moth simulation does not address?

did u get the answer? /? ? / me

when atoms of different types of elements join together, they make molecules called compounds. water consists of compound molecules made up of 2 hydrogen atoms and 1 oxygen atom. this is why it's called h2o. water will always have 2 times the number of hydrogen atoms as oxygen atoms.

the answer is d.) homologous; have mammary glands