The ancient false idea that life appeared from nowhere
it is a crossword puzzle it's 21 letters

10. translate each of the following chemical equations into a sentence. a. 2 zns(s) + 3 o2(g) -> 2 zno(s) + 2 so2(g) b. cah2(s) + 2 h2o(l) -> ca(oh)2 (aq) + 2 h2(g)

Find the mass, in grams, of 5.00*10^23 molecules of f2

If c + di is a point on the circle, then | c + di |=