The diagram below shows molecules represented by X both outside and inside of a cell. A process that would result in the movement of these molecules out of the cell requires the use of

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.

most community's take hundreds of years to become stable

yes it is weird but true

ya the other dude is right