Answer:
The Serengeti is a vast ecosystem in east-central Africa.
Explanation:
Did you mean 200,000?
Explanation:
Humans have domimated the planet for the last 200,000 years.
1.the air cannot support any additional water vapr
2.endothermic reactions
3.50%
4.false
5. false
Sickle-cell anemia is a disorder of the blood caused by an inherited abnormal hemoglobin which is an oxygen-carrying protein within the red blood cells. The abnormal hemoglobin causes distorted (sickled appearing under a microscope) red blood cells.
It starts when you put food in your mouth, then goes to the stomach, where the proccess begins