Answer:
1st one: C, you are correct!
2nd one: B is a possiblity, water-dependent thermal power plants generate the majority of the world's electricity—more than 81 percent. It would most likely be that over C, most people nowadays get water from their frig, or Walmart, and sometimes sinks.
First Islam is a noun and means the religion of the Muslims, a monotheistic faith regarded as revealed through Muhammad as the Prophet of Allah. Another meaning is the Muslim world.
now signify is a verb and means be an indication of. Some synonyms are be evidence of, be a sign of, mark, signal, mean, spell, be symptomatic of, herald, indicate; literary betoken
