Hey yall you don't know me but can someone help ill do anything

The pesticide can be removed if the food chain had more animals that ate insects and not crops so say that they released thousands of bats that could help limit the insects population.

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.