carbon, hydrogen, oxygen and nitrogen (and sometimes lithium knocks on my door)
most abundant elements in Earth's atmosphere
Elements in the human body
The human body is more than 96% CHON.
most abundant elements in universe
Most abundant elements in the Sun
Elements in Earth's air
Elements in Earth's crust
CHON, the building blocks of proteins, DNA and life.
from my old zazzle account
zazzle is awful though
Oxygen gives life and can take it away.
Hydrogen Energy Cycle