Question

Cyanobacteria increased the levels of carbon dioxide in the atmosphere. please select the best answer from the choices provided true or false

Answer 1

ANSWER:

Cyanobacteria increased the 'levels of carbon dioxide' in the atmosphere is a false statement.

EXPLANATION:

• Cyanobacteria is in the shape of blue-green-algae increased the levels of oxygen.

• It is believed they were the first organism which were able to produce oxygen in the process of photosynthesis.

• They use carbon dioxide for photosynthesis and release oxygen.

• Cyanobacteria live in the seawater, so oxygen produced by photosynthesis first enters in to the water.

Answer 2

i think it is false