Infant rats deprived of their mothers' grooming touch produce:

i don't know what the picture looks like but i can take a guess and say maybe basidiomycetes?

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.