Question

The major greenhouse gas is ______.

Options

• CFC

• CO₂

• CO

• NO

Answer 1

The major greenhouse gas is CO₂.

Explanation:

Carbon dioxide is the principal greenhouse gas contributing to the greenhouse effect and global warming. It traps heat in the Earth’s atmosphere and is released mainly by burning fossil fuels. Other gases like methane, nitrous oxide, and CFCs also contribute but CO₂ is the major and most abundant greenhouse gas responsible for climate change impacts.