if the number of photosynthetic organisms on earth decreased drastically, which would happen as a result…

if the number of photosynthetic organisms on earth decreased drastically, which would happen as a result? less water would be available on earths surface. less solar energy would reach earths atmosphere. more oxygen gas would be found in earths atmosphere. more carbon dioxide gas would be found in earths atmosphere.

if the number of photosynthetic organisms on earth decreased drastically, which would happen as a result? less water would be available on earths surface. less solar energy would reach earths atmosphere. more oxygen gas would be found in earths atmosphere. more carbon dioxide gas would be found in earths atmosphere.

Answer

Brief Explanations:

Photosynthetic organisms use carbon - dioxide and release oxygen during photosynthesis. A drastic decrease in them would mean less carbon - dioxide is taken up from the atmosphere.

Answer:

More carbon dioxide gas would be found in Earth's atmosphere.