The chemicals in the water break down the rocks, so water breaking rocks is an example of chemical weathering :)
Also, acids are a form of chemical weathering, as the chemicals dissolve the limestone :) Hope this helped!!
The wind does not contain chemicals, nor is there a chemical process in the plant roots splitting the rocks.
The answer is B.) Corn, beans, and squash.
A process in which molecules of a solvent tend to pass through an semipermeable membrane from a less concentrated solution into a more concentrated one, thus equalizing the concentrations on each side of the membrane.