Q2 of 18 Page 100

It is dangerous to throw harmful chemical substances into rivers

Yes, chemical substances are dangerous to throw into rivers because it pollutes the water and aquatic life like fishes comes into danger due to chemically polluted water as well as human life.

Also, seabirds destroy waxy covering of its feathers, this causes the bird to die of cold.


More from this chapter

All 18 →
2

Trees growing near a factory often gather a lot of dust on their leaves.

 2

When trees on the hillside are cut down, there is the danger of soil erosion on the hill.

 2

The water you drink nowadays is not safe.

 2

Urbanization and industrialization increase global warming.