3-4 Teaspoons.
amount
Oxygen is needed for the chemical reaction which provides humans and animals with the energy that we need to make our biochemistry work.
Growth and repair of body tissues
There are twenty amino acids used by humans of which eight are essential amino acids the body can not synthesize and must ingest in food. Alanine is an example of an essential amino acid.
Fruits and vegetables are essential to staying healthy. They contain vital vitamins and nutrients needed to stay in shape, which is why they're one of the largest groups on the Food Pyramid.
Humans have no minimum requirement for carbs ... none of them are essential for life. But they do make a pleasant replacement for fats.
Not many garden tools are needed to start a vegetable garden. A shovel is essential for digging holes, a garden hose for watering the plants, and a stirrup hoe for weeding. There are a lot of tools that would be convenient and helpful but these three are the only necessary tools.
Although we are told to limit the amount of fat in our diets, some fats are needed for essential body functions. Energy is derived from the fats that are eaten.
essential-needed to survive luxury-wanted
Essential nutrients are needed for an organism to survive. Each organism has their own essential nutrients.
Depends on the vegetable.
the structure needed by humans to stand and move is the bone and the muscles