Why do people living in hot and humid region wear cotton clothes?

The people living in hot and humid region prefer to wear_______ clothes.

Why do we wear cotton clothes in summer ?

Why do people need and observe weather?

Why do people need protected drinking water scheme?

One of the products of radiation fall out from atmospheric bomb testing or nuclear accidents at Chernobyl is iodine-131 . People living in a region where Iodine-131 was known to have been deposited were encouraged to use table salt enriched with non-radioactive isotope of iodine . Non-radioactive isotope prescribed in the table salt is :

One of the products of radiation fall out from atmospheric bomb testing or nuclear accidents at Chernobyl is iodine-131 . People living in a region where Iodine-131 was known to have been deposited were encouraged to use table salt enriched with non-radioactive isotope of iodine . The rate of iodine uptake by the thyroid is :

Why do old people shiver more in winter when compared to youngsters? Is there any special arrangement to prevent the escape of heat energy during winter?

Why do people in our country decorate their cattle during festivals?

Observe the following table showing different activities in the lake and thier influence. People living in catchment area of Kolleru faced so many probles. Why?