was responsible for discovering seafloor spreading, while theorized that the continents were drifting. Group of answer choices

What effect does nuclear radiation have on atoms?

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?

Is powdered sports drink ionic or covalent ? 10pts !