Question

open drains are the cause of many waterborne epidemics. explain

Answer 1

When it heavily rains or something the contaminated water can seep into the drinking water system of the area and get many people. 

Answer 2

Explanation:

It is true that open drains are the cause of many waterborne diseases. This is because when it rains or waste water from our households, factories etc seeps into the drain.

Therefore, water in the drains is contaminated and contains lots of hazardous chemicals from the industry, factories etc.

When this drain is kept open then it leads to the development of mosquitoes, flies, cockroaches and other insects. These insects can enter our houses and society causing malaria, dysentery, typhoid etc.

So, basically open drain will lead to various diseases.