Gears of different sizes change the speed and of force. direction magnitude effort (i know its not this for sure) efficiency

The continuous release of nuclear energy caused when one fission reaction triggered more nuclear reactions is a

How many moles are in 7.2 x 10^23 carbon molecules? (*round to the nearest hundredth and include the unit "mol c" after your number) question 6 options:

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?