Which three elements make up most of the human body A. Ba, N, Sn
B. B, C, Ne
C. C, H, O
D. Au, Ag, C

C. C, H, O

Explanation:

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.

the second type of galaxy is called a barred spiral, which has a thing called a bar straddling the nucleus

d. groundwater flows through the subsoil and deposits minerals.