A Fuel Cell Contains Hydrogen and Oxygen Gas

A fuel cell contains hydrogen and oxygen gas.The gases react explosively and the energy converts water to steam.The steam drives a turbine which turns a generator to produce electricity.What two forms of energy are represented by the fuel cell and the turbine?

A) chemical energy and mechanical energy
B) chemical energy and heat energy
C) electrical energy and mechanical energy
D) electrical energy and heat energy
E) nuclear energy and mechanical energy