QUICK CHECK
Identify which properties could correspond to solids, plasmas, or both.
maintain a unique shape.
particles collide infrequently with other particles.
particles have very high velocities.
can conduct electricity.
contain protons.
typically have a low temperature.
structure has long-range order.
DONE

Which of these will change if the air in aclosed bottle is heated? abcdthe mass of the airthe composition of the airthe air pressure in the bottlethe number of air molecules in the bottle

List the two type of transporst that the cell in orde to transport molecules acroos the membrane

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?