Which of the following statements regarding the photoelectric effect is false?.

Jak s¹dzisz-czy w czasach wspó³czesnych pytania o powstanie,naturê oraz przeznaczenie œwiata i cz³owieka sa nadal aktualne? a mo¿e juz przesta³y byæ wa¿ne i to jest jêzyk polki kl 5 zad 8 str 136

Which of these are characteristics of a scientific law? check all that apply. it contains an explanation of facts. it states a fact about how nature works. it is based on observations of nature. it often changes over time with new experiments and technology. it explains why a group of hypotheses are related. it will most likely remain true even when scientists work with new experiments.

The theory of sleep that best explains why bears hibernate all winter is the what theory?