Hm maybe put the definition of each choice? AHH sorry
<span>Photosynthesis makes the glucose that is used in cellular respiration to make ATP. The glucose is then turned back into carbon dioxide, which is used in photosynthesis. While water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.
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Seismic Waves in Earth cause earthquakes. Tectonic Plates can also cause earthquakes as they move against each other
I think it is A because they can just destroy it but D is finding something natural to kill it off but it is GM so it wouldn't help so A