Which of the following words mean ä substance formed by chemically combining two or more elements
a) molecule
b) compound
c) mixture
d) solution
whoever answers gets brainliest

Strong conductivity of plasma allows it to act and react as and

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?

What natural processes produce large quantities of co2