I would say D. Fossil fuels must be burned to release their energy.
Answer:
This is because despite being the largest city in the country, New York City only has around 6% of the total U.S. population when its metropolitan area is taken into account.
A primate city, on the contrary, is a city that has 20%, 30% or even 40% of the total population of the country, regardless of how much larger it is than the second city.
Earthquakes would be the correct answer
Answer:
you can heat gas in a very high temperture
