In what two ways is runoff harmful to human beings?

Question

It results in the flooding of vast areas.
It increases the number of car accidents.
It spreads disease-carrying organisms.
It removes important nutrients from the soil.
It contaminates drinking water supplies.

Answer 1

Runoff can be harmful to human beings in the following two ways:

1. It spreads disease-carrying organisms. - Runoff can carry pathogens from polluted surfaces into water bodies, increasing the risk of waterborne diseases.

2. It contaminates drinking water supplies. - Runoff can introduce harmful substances, chemicals, and pollutants into drinking water sources, posing health risks to humans.

These aspects highlight the significant impact of runoff on public health and the environment.