Carbon.
If you meant "compound" the answer is "H2O" or "water." If you meant "element" the answer is "hydrogen."
Water
The most abundant element in the universe is hydrogen, which makes up about 3/4 of all matter. Helium makes up most of the remaining 25%. Oxygen is the third most abundant element in the universe.
The most abundant element in the universe is hydrogen, which makes up about three-quarters of all matter! Helium makes up most of the remaining 25%
Hydrogen is the most common element in our galaxy.
carbon makes up all living thinks
Hydrogen, Oxygen, Carbon, and Nitrogen and the most common in living things.
Hydrogen, Oxygen, Carbon, and Nitrogen and the most common in living things.
Hydrogen, Oxygen, Carbon, and Nitrogen and the most common in living things.
The valence of hydrogen which is a common element of living matter is 1. The other elements are oxygen which has a valence of 2, nitrogen has a valence of 3 and carbon has a valence of 4.
The element that makes up most of the earths CORE is iron.
The element that is most abundant in living things is carbon. The other five elements that are most abundant in living things are hydrogen, nitrogen, oxygen, phosphorus and sulfur.