Answer: Greenhouse gases are harmful to the environment.
Step-by-step explanation:
greenhouse houses increases global warming and ozone depletion. methane, carbon dioxide, nitrous oxide and other harmful gases from the greenhouses. The combustion of fossil fuels and petroleum releases huge amount carbon dioxide in the environment. The gases trap heat in the atmosphere thus increasing the overall temperature of the earth- global warming. Global warming leads to a series of problems like climate change and ozone depletion.