c. Electricity (1) This new major energy source could easily be converted into other forms of energy (heat, light, motion) and easily transported over wires (2) 1870s -- first commercially practical generators of 
(c. Electricity (1; could easily be converted; into other forms of energy) (c. Electricity (1; easily transported; )
c. Electricity (1 c. Electricity (1
could easily be converted easily transported
into other forms of energy