Question

2. Why are mountains important to us?
3. What are the different types of plains? Describe.​

Answer 1

Explanation:

Mountains play a significant role in providing water and food supply to the millions of people in the world. Mountains cover around 22 percent of the surface of the earth and 13 percent of the world's population live in the mountains. ... Mountains are facing risk from climate change and natural calamities.

There are generally four types of plains that exist in the world namely, Erosional plains, Depositional plains, Structural plains and Abyssal plains.

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Answer 2

Answer:

they are important Because it prevents from earthquake.

sorry if it is wrong I am new and 12 years old