5 Questions
Which of the following is true about Earth's magnetic field?
It is caused by the molten nickel-iron core of the Earth.
What makes Earth a unique planet?
It has liquid water, plate tectonics, and an atmosphere that shields it from the Sun's rays.
What percentage of Earth's surface is covered by liquid water?
70%
What is the main function of Earth's atmosphere?
To shield the Earth from harmful radiation from the Sun.
Which of the following is not a reason why Earth is a habitable planet?
It has a thick atmosphere.
Test your knowledge on the Origin and Structure of Planet Earth in this quiz. Learn about the unique characteristics of our planet and its place in the solar system. Explore topics like the Earth's composition and its molten core.
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