Can someone answer both please

The first one Yes

The second one

This Would be possible because in real life you could possibly get back some dna off a dino bone and the hire a really good scientist this would be hard to do and would be a long proccess but this is why I think this

oceans

indian ocean

pacific ocean

atlantic ocean

arctic ocean

southern ocean

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.