Fungi are classified into how many groups? a. 1 group b. 2 groups c. 3 groups d. 4 groups

b because they naturally adapt to their environment plz mark brainliest

explanation:

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.