Which is an example of a chemical change?
(a) a burner gets red hot
(b) a teaspoon of salt dissolves
(c) a candle burns
(d) a pan of water boils

I think it may be B

Explanation:

Because salt is a chemical and since it dissolves to a liquid type. That's the change in the chemical. Solid to liquid.

Please let me know if it is right. : )

rain is the best answer

one part of the electromagnetic spectrum that arrives on earth as solar radiation from the sun is the visible spectrum. wavelengths of the visible spectrum combine to form what we refer to as

answer - d) ultraviolet radiation.

violet /   380–450 nm / 668–789 thz

violet is number 1 in the chart of visible light.