What effect does rapid exhalation of co2 during exercise have on the concentration of h2co3 in the blood? the concentration of h2co3 decreases. the concentration of h2co3 increases. the concentration of h2co3 remains the same.

An engineer decides to use a slightly weaker material rather than a stronger material, since she knows that the stronger material can break suddenly. this is an example of what? a choosing a material that will show warning before it fails b using composite materials that combine strength c using a material for multiple applications d using design techniques that increase efficiency and reduce cost