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Questions and Answers
Which layer of the Earth contains lighter elements such as silicon, aluminum, oxygen, magnesium, and some iron?
Which layer of the Earth contains lighter elements such as silicon, aluminum, oxygen, magnesium, and some iron?
- Mantle (correct)
- Primordial Gaseous Layer
- Core
- Crust
What caused the outer solid layer of the Earth to crack into pieces?
What caused the outer solid layer of the Earth to crack into pieces?
- The collision with an extraterrestrial object (correct)
- The cooling of the molten mass
- Volcanic activities
- The grouping together of elements in a molten mass
What is the composition of the Earth's atmosphere during the formation of the Earth?
What is the composition of the Earth's atmosphere during the formation of the Earth?
- Methane and Argon
- Oxygen and Carbon Dioxide
- H2O and Nitrogen
- H2 and Helium (correct)
What is the main reason for the buoyancy in the Dead Sea?
What is the main reason for the buoyancy in the Dead Sea?
Which elements were among the heavier elements in the molten mass and concentrated at the center of the Earth?
Which elements were among the heavier elements in the molten mass and concentrated at the center of the Earth?
Which layer of the Earth contains heavier elements like iron and nickel?
Which layer of the Earth contains heavier elements like iron and nickel?
What caused the formation of the Dead Sea's buoyancy?
What caused the formation of the Dead Sea's buoyancy?
What is the composition of the Earth's atmosphere during its formation?
What is the composition of the Earth's atmosphere during its formation?
When did the collision occur that caused the outer solid layer of the Earth to crack into pieces?
When did the collision occur that caused the outer solid layer of the Earth to crack into pieces?
What was the main state of Earth during its formation?
What was the main state of Earth during its formation?
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