Ineed with questions 30-32 and it’s very hard and i’m struggling with it and if you need to see the picture big then click on it and it will be big

burning of wood and coal

explanation:

the panel also concluded there's a better than 95 percent probability that human-produced greenhouse gases such as carbon dioxide, methane and nitrous oxide have caused much of the observed increase in earth's temperatures over the past 50 years.