ICSE Class 8 Answered

1) Erosion: It is the removal of top soil layer by various physical processes.

2) Endangered Species: Organisms that are in danger of becoming extinct in near future are called endangered species.

3) Deforestation: Cutting of trees on large scale to fulfill the need of increasing population is called deforestation.

4) Nuclear energy: The energy present in the nuclei of atoms is called nuclear energy.

5) Wildlife: Wild animals, plants which live in their natural habitats are collectively called wild life.