Respuesta :
Answer:
B. An enhanced greenhouse effect
Explanation:
When fossil fuels are burned, they release large amounts of carbon dioxide, a greenhouse gas, into the air. Greenhouse gases trap heat in our atmosphere, causing global warming.
Already the average global temperature has increased by 1C.
Answer:
An enhanced greenhouse effect
Explanation:
Fossil fuels release carbon dioxide and nitrous oxide, both of which are greenhouse gases. This leads to greenhouse gas in the atmosphere and which is the greenhouse effect.