Multiple choice

What is the biggest source of green house gas emissions?

  1. Deforestation

  2. Burning fossil fuels

  3. Cows farts

  4. Fertilizers

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Burning fossil fuels for energy, transport, and industry is the largest contributor to global greenhouse gas emissions. Other factors like deforestation and agriculture contribute, but to a lesser extent.