Which of the following is a function of the Excretory System?
A. Breaks down food into energy
B. Circulates nutrients through the body
C. eliminate cellular wastes or
unnecessary materials from the body
D. Helps the body move and gives
support

The equation below shows the reaction of zinc with hydrochloric acid (hcl). zn (s) + 2 hcl (aq) —> zncl2 (aq) + h2 (g) what will happen if the concentration of hcl is decreased? a. more zncl2 will be produced. b. the reaction rate will slow down. c. the hydrochloric acid will become more acidic. d. the reaction will produce water instead of hydrogen gas.