everyday science MCQ #6264

The chemical substances that cause an increase in the temperature of the Earth are:

everyday science MCQ #6264

  1. Question 1

    Q1. The chemical substances that cause an increase in the temperature of the Earth are:

    • A) Blue gases
    • B) Hydrogen gas
    • C) Greenhouse gases
    • D) Helium gas

    Answer: Greenhouse gases

    Explanation: Greenhouse gases (CO₂, CH₄, N₂O, water vapor, CFCs) trap heat by absorbing and re-emitting infrared radiation from Earth's surface, causing the greenhouse effect and global warming.