Question

3. Answer in one to two sentences.
a. Which are various media of spreading
the infectious diseases?
b. Give the names of five non-infectious
diseases other than given in the lesson.
c. Which are the main reasons of diabetes
and heart diseases?​

Answer 1

Answer:

Explanation:a. Water ,touch ,by air ,etc.

B. Cancer ,diabetes, heart disease, stroke ,osteoporosis.

C . Diabetes occurs due to absence of insulin in body or less amount of insulin than required.

Heart disease occurs due to stress,depression, etc.