What did chemists learn about the moon's surface by analyzing moon rocks

In which phase(s) do the molecules take the shape of the container?

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?

When a septic tank backs up a goes in to clean it out