Answer:
Political equality guarantees the enjoyment of similar political rights to all citizens. ... Economic equality does not indicate that equal treatment or equal reward or equal wages for all. It denotes to fair and adequate opportunities to all for work and for earning of their livelihoods.
I had to look for the options and here is my answer:
Most scientists conclude that it is the increasing global temperature that leads to the increasing levels of carbon dioxide in the Earth's atmosphere. This may be due to the different chemicals that are being emitted in the air. Hope this helps.