The last question I asked didn't come out right, it didn't show the x's and y's, hopefully this one is better. Thx

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

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins

Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium