A student adds a fruit flavored energy mix to his water. Soon the water is the color of the energy mix. Which statement BEST compares the drink the student has made to air?

If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?

Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule

What is a number added in front of a formula in order to balance the equation