Technology has had both a positive and negative effect on our health. For instance, people will be better off staying in the room eating fatty food and watching netflix than being outside exercising. But The defibrillator also also saves lives.
Answer:
20% of the body's oxygen supply.
Explanation:
The brain represents just 2% of a person's body weight, yet it uses about 20% of the body's oxygen supply. Without it, the brain can't perform even the most basic functions. The brain relies on glucose to power the neurons that control everything from conscious functions like planning and thought to automatic, unconscious processes like managing heart rate and digestion.
In most cases animals get aggressive (D) in the habitation.
C heritability
herdity means family or ancestors
B is the answer to the question
