In the fist box is Oxygen builds up....
In the second is The Last ice age
And the last is the last answer.
Sorry for not typing the whole answer!
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It is very interesting how photosynthesis and cellular respiration<span> help each other. During photosynthesis, the </span>plant<span> needs carbon dioxide and water-- both of which are released into the air during </span>respiration<span>. And during </span>respiration<span>, the </span>plant<span> needs oxygen and glucose, which are both produced through photosynthesis!
From more info:</span><span>scienceline.ucsb.edu/getkey.php?key=153</span>
ANSWER: Are.
Organic compounds are only generated by living things.
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Active transport is a cellular transport mechanism. It’s the movement of molecules that are assisted by enzymes along the way to a higher concentration.
