How did these Pioneer Species work together to create ideal soil for plant life?

reproducing? is there a photo of the question so I can give a better answer

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.

satellites are frequently used to make observations of the orbit on earth