Colloids, also known as colloidal dispersions.
Answer: Humans and animals use the oxygen (O2) in the air for their energy process and produce CO2 as waste. A plant does the exact opposite. ... If there were no plants on the planet we wouldn't be able to breathe. Humans in particular, however, also produce other waste
Explanation:
When you are being developed. The genes in both the male and female decide the gender