Nickel and gold combine to make white gold. white gold is considered a(n) of nickel and gold

Compound or alloy depending on what material you've covered. Alloy would be more accurate

Well, both latitude and intensity of light affect temperature because, the higher the light intensity, the higher the temperature and since latitude is the measure of how close you are to the equator, then the closer to the equator you are, the higher the temperature is.