Hello!
ANSWER:
I believe A: solar, B: tidal, and C: hydroelectric were the three sources of energy that were productive for Canada.
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Hydroelectricity is the largest energy source in Canada, and then biomass, tidal, wind, and solar also contribute Canadia's electricity generation.
If possible I'd say all of them except the fourth one down (parts of ecosystems are independant) but if not I'd say the most valid one is the second one down (healthy ecosystems help animals)
Global warming will have the whole world perish
This is a false statement. For exapmle Ellis Iland...