NB : the acronym LEDC stands for « Less Economically Developed Country » whereas MEDC stands for « More Economically Developed Country »

1. because they use a lot of fossil fuels to produce energy to power industry and provide electricity and heat for homes.

2. We can conclude that the country is a MEDC, a rich country or an emerging country.

3. Plants and trees absorb CO2, because they need it.

4. CO2 that isn't absorbed builds up in the atmosphere

5. It contributes to global warming

6. The biggest producers of CO2 are China, the USA, Russia, India and Japan