Fact 1: Microbial fuel cells convert chemical energy into electrical energy. Fact 2: Computers run on electricity. Given the two facts above, what can power computers?
Options:
[I] cities.
[II] Fuel cells.
[III] energy.
[IV] kinetic energy.
[V] industry.
[VI] heating liquids.
[VII] information.
[VIII] Solar energy.
[II]