In mr. wright's dvd collection , 5/12 of the movies are comedies and 3/12 of the movies are documentaries . what fraction of his dvds are either comedies or documentaries?

a. 2/3

b. 3/4

c.1/6

d.8/24

It is important to wear proper protective equipment in lab even when not actively performing experiments because accidents can affect any researcher, even one not working on an experiment. select the best answer from the choices provided

The picture represents the process that produces most of the energy used by living organisms on earth. which process is represented in the picture? a) the magnetic attraction between two hydrogen nuclei. b) the fusion of hydrogen nuclei to produce a helium nucleus in the core of the sun. c) the fission of hydrogen nuclei to produce a helium nucleus in the core of the sun. d) the chemical reaction between hydrogen nuclei to produce a helium nucleus in earth's atmosphere.

Rays from the sun are not considered matter true or false