How is the percent of ethylene glycol in de-icing fluid related to water’s freezing point ?

Why is permeable soil best for plants that need a lot of drainage?

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both