Answer:
When sodium bicarbonate is added to the water, the bicarbonate ion acts as a carbon source for photosynthesis causing the leaf disks to sink. As photosynthesis proceeds, oxygen is released into the interior of the leaf, which changes its buoyancy causing the disk to rise.
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C. All living organisms likely originated from a common ancestor ( because all living organisms store genetic information through DNA and RNA. These are linked to a shared ancestry and is how organisms evolve using new genes )
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The frontal lobe is what is in charge of the emotions within you. The emotions are what is being tampered with in this situation, so I would say that the frontal lobe is what is responsible for these outbursts.
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SuperHelperThingy
<span> It involves compression of the patient’s chest cavity</span><span />