Which of the following provides the most evidence for the theory of plate tectonics? A.
the locations of the glaciers
B.
the changing of the seasons
C.
the coloring of the city moths
D.
the spreading of the sea floor
PLZ HELP

Choose an equation that represents an enzyme-catalyzed reaction. (a) enzyme + substrate → enzyme-substrate complex (b) enzyme + substrate ←−→ enzyme + products (c) enzyme + substrate ←−→ enzyme-substrate complex → enzyme + products (d) enzyme + substrate ←−→ enzyme-substrate complex → enzyme-substrate complex + products