Which of the following are not decomposers A.
green algae
B.
mushrooms
C.
bacteria
D.
earthworms

A. green algae

Explanation:

A: Green algae, or algae, are single-celled organisms. Because they go through photosynthesis, just like any other plant-like organism, they're a producer.

B: Mushrooms are fungi, and all fungi are decomposers. Therefore, mushrooms are decomposers.

C: Fungi and bacteria are the most common decomposers, so bacteria is clearly a decomposer.

D: Earthworms eat dead/dying organic matter in the ground, so they're decomposers.

Therefore, the answer is A. green algae.

A

Explanation:

choice a is the correct answer

green algea is also know as chlorophyta

i believe it would cause an increase of percipitation, though i could be wrong. so i would say b is the answer.