Choose the most appropriate vocabulary term from the list. all the living and nonliving things in a place
all the ants in an area
population
a lion
fish, frogs, turtles, lily pads, in a pond
temperate forest
the common rat Rattus rattus
$: species
:: ecosystem
:: community
biome
: individual

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.

the correct answer is d