Did reptiles or amphibians occur first?

Had a democratic form of government

Conflicts arising from drug cartels and goverment corruption is an issue that would most likely be considered as mexico's most challenging problem of today. the correct option among all the options that are given in the question is the third option or option "c". this problem has continued for a very long time.

Earth is passing saturn in its orbit, with both planets on the same side of the sun

Pacific ocean is the biggest ocean in the world