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Question
Which are the factors that help birds fly?
Which are the factors that help birds fly?
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Solution
The correct options are
B Air Currents
C Physiology
D Body contour
Besides wings, birds have many physical features and environmental factors that work together to enable them to fly.They have lightweight, streamlined, rigid structures for flight. The four forces of flight – weight, lift, drag and thrust are the key factors that help birds fly.
B Air Currents
C Physiology
D Body contour
Besides wings, birds have many physical features and environmental factors that work together to enable them to fly.They have lightweight, streamlined, rigid structures for flight. The four forces of flight – weight, lift, drag and thrust are the key factors that help birds fly.
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