. The migratory bird always


The migratory bird always prefers to fly at high altitude because it

 

a) involves less energy.

b) gives a better view.

c) faces less predators.

d) indicates the sun’s position accurately.

 

Best Answer

(a) involves less energy.

 

Explanation: Migratory birds fly at high altitude because the wind flow is helpful and the cold conditions allow them to disperse the heat generated by their flight muscles.

 

 

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