The essential nutrients Multiple Choice
1. must be consumed at every meal.
2. are required for infants but not adults.
3. can be made in the body when they are needed.
4. cannot be made by the body and therefore must be consumed to maintain health.

4. cannot be made by the body and therefore must be consumed to maintain health.

Explanation:

Essential nutrients are nutrients that our body cannot synthesized and also those nutrients our body cannot produced in sufficient quantity, for the normal functioning of the body. These nutrients have to be obtained from the food we consume to support our life and health.

Essential nutrients obtained from food include carbohydrates, fats and oils, proteins, water, as well as certain vitamins and minerals. These essential nutrients that we get from our food are needed for good growth and development, prevention of diseases, as well as for maintaining good health.

i am going to guess that it is co2.

more words for this could be abiotic and biotic

abiotic: living organisms within an ecosystem

biotic: non-living organisms within an ecosystem