Can yall help w this? iss times so try nd hurry :P

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

Enzymes affect the reactions in living cells by changing the