H2O (or water). We just learned about this in Life Science, so I remember.
Water
Protein is the second most abundant substance and water is the first one.
I think most abundant component of living cell is water
1.calcium carbonate is the second most abundant material in earth crust
If you think to the abundance of chemical elements in the earth crust this element is silicon.
Protein of corse
Nucleic asids
H2O. The second most is C2.
Water, which is part of cytoplasm
Water
It makes up 99.99% of earths crust so it's not that abundant
calcium is!
Crust
goyttret
Silicon is the second most abundant element in Earth's crust.
The second most abundant element in the Earth's crust is silicon, comprising 27.8% of the crust by mass.
silicon.
Rock is the most abundant material in the crust.
That would be silicon, or SiO2
It makes up 99.99% of earths crust so it's not that abundant
The most abundant metal in the earth crust is aluminium.
Silicon is the second most abundant element on earth. Silicon dioxide and silicates (salts derived from silicon dioxide) make up approximately 87% of the materials in the earths crust. Oxygen is the most abundant, making up slightly less then 50% of the total mass of the earth's crust, waters, and atmosphere.
calcium is!
Crust
That element is Oxygen by 46.6%
Silicon
silicon