In this activity, we mapped the processes of the breaking down of dna.
true
false

Can someone me with questions 12 and 13 plz.

An alkaline battery produces electrical energy according to the following equation. zn(s) + 2 mno2(s) + h2o(l) zn(oh)2(s) + mn2o3(s) (a) determine the limiting reactant if 17.5 g zn and 31.0 g mno2 are used. (type your answer using the format ch4 for ch4.) (b) determine the mass of zn(oh)2 produced. _ g

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?