Select the correct answer.
which sentence describes an example of sublimation?
a.
dew forms on leaves on a cold morning.
b.
liquid deodorant sprayed on a person’s body evaporates.
c.
dry ice changes to carbon dioxide when kept in an open container.
d.
ice cream in a bowl melts.
e.
water vapor condenses on a cold surface and forms droplets.

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?

Drug abuse will not lead to physical and psychological dependence. true or false ?

How might this scientific phenomena be explained? a paper clip floats on water.