Which gas is most abundant in Earth’s atmosphere?
Earth Science MCQs
Test your knowledge with our comprehensive collection of Earth Science questions.
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What is the physical state of the Earth’s outer core?
Where is most of the world’s accessible freshwater?
What is the scientifically accepted age of the Earth?
Which atmospheric layer contains the ozone layer?
The Mohs scale measures which mineral property?
Which theory explains the movement of Earth’s continents?
What is the primary mechanism within the Earth’s mantle that causes the movement of tectonic plates on the lithosphere?
Which seismic wave travels fastest and moves through liquids?
Which element is most abundant in Earth’s crust?
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