Does cooking affect the nutrients in the body?

Why are adolescents especially advised not to smoke ? How does smoking affect the functioning of the body ?

Which of the following processes does not affect the nutrient flow in an ecosystem?

Why does cooking change the texture of an egg ?

Does size of mirror affect the nature of the image ?

Why does the increased level of nutrients in the water affect the survival of aquatic organisms?

In which of the following cycles, does the reservoir of the nutrient exist in material form?