20. Decide whether each statement is true (T) or false (F). Place your answer in the blank
space given.
a. The current obtained from a photoelectric cell is weak.
b. Photovoltaic cells produce no emissions during their operation.
c. The Canadian province that obtains the greatest proportion of its electricity
from hydroelectricity is British Columbia.
d. To supply the hydrogen for transportation in the hydrogen economy will require vast amounts of electrical energy.