Besides a large spot and the tlc sample being too concentrated, what two other factors can cause the developed spots to appear as a streak?

Which are causes of mechanical weathering? check all that apply. oacid raino plant growtho animal actionso carbon dioxideo pressure release

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)

Which of the following units is not an official si unit? mole liter kilogram ampere