The illustration shows the forces, in Newtons (N), acting on three different blocks. image_4 Which blocks will move under these conditions? Group of answer choices Blocks 1 and 2 Blocks 2 and 3 Blocks 1 and 3 Blocks 1, 2, and 3

The clouds are grey and ground is wet. a quantitative b qualitative

Which common material is an example of a polymer? (25 pts) a. steel b. plastic c. petroleum d. rubbing alcohol

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?