Which of the following could have caused curve b to be different from curve a?

What is the name of this hydrocarbon?

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?

Geothermal energy for industrial use is available almost anywhere. a.true b.false