Answer:
Sadness is caused when there is a strong emotional reaction to a particular object.
Sadness can sometimes lead to depression, but more commonly sadness can make you feel tired, angry, or stressed.
Explanation:
Answer:
D
Explanation:
As population grows all the above factors increase expect the biodiversity of animal and plant species.
Answer:
A) 1000
Most viruses are 1000 times smaller than the average cell
<span>Pigeons learn to flap their wings to avoid shock more easily than they learn to peck a disk to avoid shock. they learn to flap their wings to obtain food less easily than they learn to peck a disk to obtain food.
That's what'd I'd assume the answer would be.</span>
