Based on the information given below, about how many trips around the milky way has the sun made since the emergence of life on earth?

What type of electromagnetic radiation has a shorter wavelength than blue light

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

Which reason best explains why metals are malleable? a)because they have delocalized electrons b)because they have localized electrons c)because they have ionic bonds d)because they have rigid bonds