When a piston is at its lowest position in the cylinder, it's said to be at a. tdc (top dead center b. btc (bottom top center). c. bdc (bottom dead center) d. tbc (top bottom center)

b because they naturally adapt to their environment plz mark brainliest

explanation:

it's diluted or concentrated

in a diluted solution, you can add a lot more solute but in concentrated only a little more can be added