Question

chapter no. 6
class 6th ​

Answer 1

1. Plains are usually highly fertile and hence most ideal for cultivation. It is very easy to make transport network in the plains. Hence, plains are thickly populated.

2. Life is very difficult in mountain areas because of harsh climate. It is quite difficult to grow crops, build houses or roads in a mountain. Hence, people do not prefer to live here.

hope it helps you.....

Answer 2

Answer:

A combination is a mathematical technique that determines the number of possible arrangements in a collection of items where the order of the selection does not matter. In combinations, you can select the items in any order. Combinations can be confused with permutations.