carrots
Vitamin k
The forgotten nutrient and the most important is water.
Zeaxanthin is a nutrient known as a carotenoid. Zeaxanthin and lutein are the most abundant carotenoids found in the North American diet. The benefits of zeaxanthin include a reduced risk of cancer and healthy vision.
Calcium
Water probably
yes
yes
An important nutrient would be beta carotene, which the body uses to make Vitamin A.
which nutrient supplies the body with the most calories
Carbon, Nitrogen, Oxygen
Most important is Vision. Other functions include keeping your Skin and Mucous membranes healthy as well as regulating your Immune System
Vision is not less important in mammals than any other family of vertebrates.