What do you Mean by Nutrition
The process by which organism obtains food and energy is called nutrition. And the substances needed by organism to obtain energy are called nutrients. They are:
- i) Carbohydrates
- ii) Protein
iii) Fats, Oil
- iv) Vitamins
- v) Minerals
- vi) Water
Disadvantages: in order to store a large number of books at home, you need to have a lot of free space; most paper editions weigh a lot, so you won’t be able to take a lot of books with you on a trip; good lighting is necessary for reading paper literature – if this condition is not met, vision can be impaired; deforestation is required for paper production, which has a detrimental effect on the environment.