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What is the primary composition of the Earth's crust? (2022)

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Question: What is the primary composition of the Earth\'s crust? (2022)

Options:

  1. Basalt and granite
  2. Iron and nickel
  3. Silicate minerals
  4. Water and gases

Correct Answer: Basalt and granite

Exam Year: 2022

Solution: 

The Earth\'s crust is primarily composed of basalt (oceanic crust) and granite (continental crust).

What is the primary composition of the Earth's crust? (2022)

Practice Questions

Q1
What is the primary composition of the Earth's crust? (2022)
  1. Basalt and granite
  2. Iron and nickel
  3. Silicate minerals
  4. Water and gases

Questions & Step-by-Step Solutions

What is the primary composition of the Earth's crust? (2022)
  • Step 1: Understand that the Earth's crust is the outermost layer of the Earth.
  • Step 2: Learn that there are two main types of crust: oceanic crust and continental crust.
  • Step 3: Know that oceanic crust is primarily made of a rock called basalt.
  • Step 4: Recognize that continental crust is mainly composed of a rock called granite.
  • Step 5: Conclude that the primary composition of the Earth's crust includes both basalt and granite.
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