It’s more than one answer

Which statement is true about the part of the electromagnetic spectrum that human eyes can detect? it contains only the colors of the rainbow and television waves. o it is divided into seven ranges of wavelengths. it contains ultraviolet, visible, and infrared light. it is divided into nine ranges of wavelengths.

C3h8o3 - glycerol major species present when dissolved in water

Determine the percent sulfuric acid by mass of a 1.61 m aqueous solution of h2so4. %