Options are: I. kinetic energy. II. Marine engine. III. driving. IV. some invertebrates. V. sea urchins. VI. vehicles. VII. rockets. VIII. animal transport.
Given those answer options, answer the question: Fact 1: An automobile engine transforms chemical energy into mechanical energy. Fact 2: Marine engines, with very few exceptions, are automobile engines converted to marine use. Given the two facts above, what converts chemical energy into mechanical energy?
A:
II.