What are some biological processes that are sensitive to ph changes?

Gymnast always perform on padded mats. how does the mats protect the gymnast

Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest

Iron (fe) reacts with copper sulfate (cuso4) to form iron (ii) sulfate. in this reaction, cu2+ gains electrons to form cu. which statement is true about this reaction? fe(s) + cuso4(aq) → feso4(aq) + cu(s)