Answer:
The_GALLBLADDER_concentrates bile produced by the_LIVER_and stores this concentrate until it is needed for digestion.
Can start a fire( rubbing to rocks together) and friction is used when you hit the brakes on a car( the pad pushes down on the tire). Good luck!
1)Enzyme is a protein. The main material of an enzyme is protein
2)It is easily influenced, by environmental change. Environmental factors include temperature, pH, and inhibitor.
3)It acts as catalyst The enzyme functions in accelerating chemical reaction, but the enzyme itself does not change after the reaction ends.
The answer is C. Fertilization. hope I helped.
