Answer:
If something happens to one friend you have another one that can help you. The more people you're with, the safrer you are.
Explanation:
B would be the correct answer
Answer:
the diaphragm helps draw air into the lungs
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.