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| Thats right that water travels through the roots to the stem and leaves . | |
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| Next the plant obtains carbon dioxide from the air and it passes throuhgh the stroma. | |
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| ok thats pretty simple but how does it get its energy? | |
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| It gets its energy from the sun which splits the water into hydrogen and oxygen; the oxygen is then released into the air . | |
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| Well then what happens to the hydrogen? | |
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