Decomposition - bacteria helps to decompose dead organism , it's also used in food production
Answer:
In animals, oxygen combines with food in the cells to produce energy for daily activity and then gives off carbon. The carbon combines with oxygen to form carbon dioxide (CO2) and is released back into the atmosphere as a waste product when animals breathe and exhale.
Answer:
Conserving water is important because it keeps water pure and clean while protecting the environment.
Explanation:
