Answer:
Hydroelectricity
Explanation:
Hydroelectricity amounts to 59.3% of Canada's power production, making it the primary energy source.
Bonus fact: Canada is the second largest hydroelectricity producer in the world! (Only after China)
Answer:
The greatest angle is 
Explanation:
According to angle sum property of a triangle, sum of all the angles of a triangle is equal to
°.
The given angles of a triangle are 
Therefore,
°
°
°

≈ 87.2°
≈ 71.8°
≈ 20.9°
Therefore, greatest angle is 
Answer: Tropic of Capricon
Explanation: the sun rays are directly overhead at the tropic of Capricorn on December 21 and it is called December Solstice
All of them can be genitically modified thanks to science