Question

The eruption of volcanoes is an example of

• A. Man-made change
• B. Desirable change
• C. Undesirable change
• D. None of these

Answer 1

The correct option is C

Undesirable change

The explanation for the correct option:

Option C

• The changes that are harmful to us and we do not want these changes to take place are called undesirable changes.
• For example flooding of rivers, forest fires, the eruption of volcanoes, etc.
• The eruption of volcanoes is harmful to our environment because these harmful gases are released which affect our environment.

Therefore option C is correct.

The explanation for the incorrect option:

Option A

• Man-made changes are those changes that are made by man.
• For example cooking food, weaving clothes, etc.

Therefore option A is incorrect.

Option B

• The changes that are useful to us and we want to take place are called desirable changes.
• For example formation of curd from milk, and cleaning of dirty utensils.

Therefore option B is incorrect.