pollution
source'
and herbicides to kill weeds can also lead to water pollution. These factors cause 'poin
and rivers. Sewage from households is another cause. Farms using pesticides to kill insects
Water pollution can have many different causes. Factories dump industrial waste into lakes
source' pollution while pollutants from storm water and the atmosphere result in 'non-poin
of cholera and other diseases because of people drinking untreated water. Humans can eve
Water pollution can have dramatic effects. In many poor nations, there are frequent outbreak
die if they drink contaminated water. Polluted water also causes the death of aquatic anima"
such as fish, crabs, or birds. Other animals eat these dead animals and may also get sick.
addition, herbicides in water can kill aquatic plants and cause further damage to th
environment.
So what should we do to reduce water pollution?
1. What is groundwater?
2. What are point source pollutants?
3. What are non-point source pollutants?
4. Why do people use herbicides?