When you wish upon a shooting
star you are actually wishing on
a(n)...

What is the independent variable in this investigation? mass volume sample number substance density

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.

What is a difference between a mixture of elements and a mixture of compounds