2.5 kilsos because if you double that it goes to 5 kiilos.
Sorry if I am wrong
Answer:
Food is broken down into nutrients.
Skeletal system
Explanation:
Point source pollution is a single, identifiable location of a pollution like a drainage or a pipe. On the other hand non-point source pollution refer to wastes that are disposed at a wide area and cannot be easily determined where the sources are. The answer for this is false. It is the non-point source pollution that is difficult to track and to control.
Answer:
1. Breathing moves air in and out of the lungs.
2. Oxygen diffuses from alveoli in the lungs into capillaries.
3. Oxygen enters red blood cells, where it binds to the protein hemoglobin.
4. Oxygen diffuses from the blood to the body's tissues, and carbon dioxide
diffuses from the tissues to the blood.
5. Carbon dioxide leaves the body when exhale.
