Where does Earth receive its energy? A) its core
B) the sun
C) its atmosphere
D) the hydrosphere

Identify the missing numbers below to show the result of multiplying the numbers (1.6 × 10-19)(5.0 × 106) = c × 10d

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled

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.