Which of these groups contains single-celled organisms? A. birds
В. plants
C. fungus
D. animals

C. fungus

Explanation:

Birds and animals are in the same category, and both have multiple cells.

Plants also have multiply cells.

And fungus can be single celled or multiple cells.

Hope this helps ya!!

it would affect precipitation by causing flooding in some areas of the world due to climate increasing, causing the glaciers in the northern and southern pole of our planet to melt.

i wish you would have provided choices to simplify it and allow me to give an exact answer.

i think that it is plants