Calculate the average acceleration of a car that changes speed from 0 m/s to 15 m/s in 5 s

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.

they both go up but then go back down. they both end lower than they started. lastly, they both are competitive/the second on.

explanation:

on island x the species needed to adapt because they were being subject to predators which didn't inhabit island y.