calcium
Oxygen is most abundant element .
The most abundant element where? It is the most abundant element in Earth's crust. The most abundant element on planet Earth, on the other hand, is iron, while the most abundant element in the Universe is hydrogen.
The most abundant element in the universe is hydrogen.
The most abundant sedimentary rock is limestone, which is composed mainly of the mineral calcite. It forms from the accumulation of shell, coral, algal, and fecal debris. Limestone is found in many different environments and can vary in color and texture.
Hydrogen is the most abundant element in the known Universe; helium is second.
Oxygen is the most abundant element in the Earth's crust.
Hydrogen is the most common element in the universe, and in the Sun.
The most abundant element in the universe is hydrogen.
Limestone, made up of the mineral calcite is the most abundant carbonated rock.
Hydrogen is the most abundant element in the universe.
Hydrogen is the most abundant element in the universe.
Hydrogen is the most abundant element in the universe.