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The birds stretch out their wings and circle in the rising curren...

9th Class Punjab Board Exams Quizzes MCQs Quizzes Punjab Physics Online 9th Class Test Lesson 9 Transfer of Heat

Question:
The birds stretch out their wings and circle in the rising currents of hot air called:

Option A):
Radiation
Option B):
Thermals
Option C):
Conduction
Option D):
Convection

Correct Answer is Option B):
Thermals