A. Oxygen
B. Hydrogen
C. Carbon Dioxide
D. Silicon
Oxygen is the most abundant element in the earth’s crust and silicon is next.
The correct answer to the question: “The most abundant element in the Earth’s crust is __________?” is “Oxygen”.
A. Oxygen
B. Hydrogen
C. Carbon Dioxide
D. Silicon
Oxygen is the most abundant element in the earth’s crust and silicon is next.
The correct answer to the question: “The most abundant element in the Earth’s crust is __________?” is “Oxygen”.