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Which gas is most abundant in the Earth's atmosphere? (2023)

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Question: Which gas is most abundant in the Earth\'s atmosphere? (2023)

Options:

  1. Oxygen
  2. Carbon Dioxide
  3. Nitrogen
  4. Hydrogen

Correct Answer: Nitrogen

Exam Year: 2023

Solution:

Nitrogen is the most abundant gas in the Earth\'s atmosphere.

Which gas is most abundant in the Earth's atmosphere? (2023)

Practice Questions

Q1
Which gas is most abundant in the Earth's atmosphere? (2023)
  1. Oxygen
  2. Carbon Dioxide
  3. Nitrogen
  4. Hydrogen

Questions & Step-by-Step Solutions

Which gas is most abundant in the Earth's atmosphere? (2023)
  • Step 1: Understand that the Earth's atmosphere is made up of different gases.
  • Step 2: Know that the main gases in the atmosphere include nitrogen, oxygen, carbon dioxide, and others.
  • Step 3: Learn that nitrogen makes up about 78% of the atmosphere.
  • Step 4: Compare the percentages of other gases like oxygen, which is about 21%.
  • Step 5: Conclude that since nitrogen has the highest percentage, it is the most abundant gas in the Earth's atmosphere.
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