When burned, these fossil fuels emit harmful gases including carbon dioxide and sulfur dioxide which increase the amount of greenhouse gases in the atmosphere resulting in global warming. Air pollution is much worse in highly populated cities where more factories emit pollution in close proximity to humans.
Answer:
the process of concentrating on and becoming expert in a particular subject or skill.
Explanation:
definition.
Answer:
i think c. all the answers are correct
i think its b constitution of Virginia
