Physicsisthepresentdayequivalentof____usedtobecallednaturalphilosophy,from____mostofpresentdaysciencearose.
Allofusknow,color-blindpeopleoftenfinditdifficultto__betweenblueandgreen.
____isnoreasonfordischargingher.
TheBentPyramidoutsideCairo__________ancientEgypt’sfirstattempttobuildasmooth-sidedpyramid.