Oxygen was the important element missing in Earth's early atmosphere. It was only produced later by photosynthetic organisms.
Chat with our AI personalities
Oxygen is the most abundant element in Earth's lithosphere, comprising about 45% of its mass.
Nitrogen makes up 78% of the Earth's atmosphere.
Oxygen is the most abundant element in the Earth's crust, making up about 46.6% of its mass.
Oxygen is not found in large quantities in Earth's mantle compared to other elements like silicon, magnesium, and iron. Oxygen is more abundant in Earth's crust and atmosphere.
The most abundant element in Earth's crust is oxygen, making up about 46.6% of the crust by weight.