if you smelled the balloons 2 minutes after the extract was added, and again 2 hours after the extract was added, do you think the strength would be the same? Explain your answer

The wave shown on the electromagnetic spectrum disturb the medium it passes through a)different frequency. b)the same frequency .

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?

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?