Chapter 19: Effects of human activity on the ecosystem

What is deforestation and what are its effects on our nature?

Deforestation is the "cutting of trees" for human benefit. It has negative effects on our nature; some of them are "soil erosion, flooding, desertification, loss of habitats of animals, and others".

Name a few pollutants and their effects on our environment.

What are the causes of pollution?

Common causes of pollution are; "exhaust fumes from vehicles and factories, chimney fumes, burning of garbage".

How can we reduce pollution?

We can reduce pollution by;

Why is conservation of environment important?

What measures can be taken for preservation of nature?

Common measures taken can be: