Describe what is happening when we see the color black. why do we see white?

When you mate two plants together the terms is called? answer it fast as possible plz! i have a test tomorrow!

What is the empirical formula for c4h8o2

Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.