What is the number on the top left of the carbon element

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.

Drive down any three characteristic of modern periodic table

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball