Cell, tissue, organ and organ system
1. 1800 years to get 1 billion population
Extracting aluminum from bauxite ore requires 20 times more energy than extracting it from aluminum from recycled sources so therefore that is a good reason to promote its recycling starting with pop and beer cans which are things that most of us use.
Answer:
they release substances
Explanation:
also known as inflammatory mediators
Answer:
carbon dioxide
Explanation:
Photosynthesis takes in the carbon dioxide produced by all breathing organisms and reintroduces oxygen into the atmosphere. Photosynthesis is the process used by plants, algae and certain bacteria to harness energy from sunlight and turn it into chemical energy.
