Question

Which natural elements are used by humans?

Answer 1

carbon (C)

aluminum (Al)

oxygen (O)

iron (Fe)

calcium (Ca)

please mark as brainliest

Answer 2

Answer:

The four most abundant elements in the human body – hydrogen, oxygen, carbon and nitrogen – account for more than 99 per cent of the atoms inside you. They are found throughout your body, mostly as water but also as components of biomolecules such as proteins, fats, DNA and carbohydrates