Explanation:
it is the final process of oxidisation for food stuff
Answer:To be considered a source of water pollution, the source must include a chemical.
Explanation:
It's false because no one has found out officialy
Answer:
Organism
Explanation:
The other options are all smaller than an organ system.
A cell is the smallest. Many cells make a tissue, many tissues form an organ and many organs form an organ system. Many organ systems form the organism :))
