Question

Tick the correct
1. Anaerobic bacteria, Blue-green algae, Animal dung, Biogas which one is odd​

Answer 1

Answer:

Blue green algae

Explanation:

The remaining options are the components for the components of bio gas prodution. Blue green algae is not relevant in this case

Answer 2

Answer:

Blue-green algae

Explanation:

It is different because it converts the atmospheric Nitrogen into soluble nitrates.