It’s the source of all the energy from all the stars ... until their fuel is used up
Theories are a collection of scientific data that is generally accepted and reproducible. Theories are a result from several repeated experiments, but theories are not based on a single hypothesis. Several hypotheses are tested and appraised to become a well accepted theory. Theories may also be revised over time and can predict what may happen in the future. On the other hand, theories are not proven facts.
Electricity because most cities use electricity. and a generator would be to loud in a city
The coast is warmer and better environment
