6 Questions
Which sphere corresponds to the solid surface that contains continents, plateaus, and mountains?
Lithosphere
What is the dominant element in the Earth's crust?
Oxygen
What is the dominant metallic element in the Earth's crust?
Aluminum
Which sphere covers both lithosphere and hydrosphere and contributes about 78.084% of the Earth's weight?
Atmosphere
What covers almost three-fourth of the Earth's surface and contains the highest amount of soluble salts?
Sea water
What is the dominant exchangeable cation in the Earth's crust according to frequent competitive exams?
Calcium
Test your knowledge about the dominant elements in Earth's crust and the different spheres of the Earth. Questions cover oxygen, silicon, aluminum, calcium, and the composition of the atmosphere, lithosphere, and hydrosphere.
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