Ann believes that carbohydrates store more energy than lipids. nicco believes that lipids store twice as much energy as carbohydrates. who is correct?

Iknow the answer is a but i don't know why

The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is call

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