4) speed of light 5) solar panels 6) photon 7) photoelectric effect 8) reflect
I believe this is correct
Answer from: Quest
answers: to make sure that all of the broken pieces of tablet were added to the water, to allow for fair comparison of all three trials, with different particle sizes to avoid experimental error
Answer from: Quest
nuhygjhuhuouh9oygyuhuh8h9guig97uogh8uog978o0rfyhkmkv h