Question

Name any four Green House gases.

Hint:

Name any four, for example carbon dioxide, methane, nitrous oxide and hydrofluorocarbons.

Answer 1

Step 1: Understand the question:
Green House gases trap heat in the atmosphere and cause global warming. Four of them are named below.

Step 2: Name four gases:
1. Carbon dioxide (CO2), mainly from burning fossil fuels.
2. Methane (CH4), from farming, rice fields and animals.
3. Nitrous oxide (N2O), from fertilisers and industry.
4. Chlorofluorocarbons (CFCs) and hydrofluorocarbons (HFCs), used in cooling machines.

Final Answer:
Four Green House gases are carbon dioxide, methane, nitrous oxide and hydrofluorocarbons (CFCs/HFCs).