How many times more concentrated can the mineral concentrations be in the roots compared to the soil around them? What can these minerals be used to build in other parts of the plant?

i think the miocene epoch spans the time from 23 million to 12 million years ago.

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.

trachea, alveoli, lung capillaries, arteries

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