San Francisco earthquake of 1906 <span />
Explanation:
Using a few inexpensive, energy efficient measures can reduce your energy bill and, at the same time, reduce air pollution. Heating and cooling systems use more energy than any other systems in American homes. Natural gas and electricity are used to heat most American homes, electricity to cool almost all.
Explanation:
Option B is correct option
Answer:
I need more information and I just did this 5 DAYS AGO!!
