1. Which of the following is a true statement?
a. The starting costs for tidal wave energy are expensive
b. Wave energy produce high environment impact
c. Tides are not predictable
d. Produces a lot of air pollution
2. How can we decrease the use of fossils fuels?
a. Conserving energy and making energy more efficiently
b. Prevent people from mining and burning coal
c. Create more wind and tidal energy
d. All of the above
3. Which of the following cannot be used to create electricity?
a. Geothermal energy
b. solar energy
c. Wind power
d. Tidal energy