What do Canada and Brazil have in common in terms of national energy sources?
A) very large percentage of power generated by wind
B) very large percentage of power generated by hydroelectric
C) declining energy needs
D) very evenly mixed between fossil fuels and alternative energy sources
E) mostly fossil fuels
Question 2
A greenhouse is a good example of a building heated by
A) active solar energy.
B) fusion.
C) passive solar energy.
D) photovoltaic cells.
E) green plants.