Answer:
I think it's A.
Explanation:
It contains significant amounts of valuable metals such as mercury, cadmium, and lead that can be harvested and sold.
Kinda like medicine. Vaccines go into the body and target the virus, some vaccines make the virus weak, some exterminate the virus completely, and some aren’t tested enough to work. However with all the little battles happening to kill the virus you can get sick from vaccines.
Answer:
Health, population and environment education is introduced as an integrated subject due to profound interrelationship that exists among the subject matters of these three disciplines. The natural physical aspects and man- made things come under the physical aspect.
