What are the two main factors in the mantle that contribute to the rock cycle?
A.
weathering and layering
B.
heat and weathering
C.
pressure and heat
D.
layering and pressure

Using the periodic table, complete the table to describe each atom. type in your answers

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?

Why do cells appear different in distilled water than they do in 10% salt water?