Ihave lungs but no legs. my offspring are found in membranous-shelled eggs and use lungs to breathe.

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?

In pqr m< p=60 m< q= 30 and m

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled