Question

5. Birds have a streamlined body shape that helps them to
(a) reduce air friction to fly with less effort (b) apply more effort to overcome air friction
(c) reduce their speed during flight​

Answer 1

Answer:

reduce their speed during flight

Answer 2

Answer:

option (a)

Explanation:

A streamlined body shape achieves a greater speed. A streamlined body shape is one that is narrow at both ends, and broad in the middle. This shape enables the animals to fly faster. Streamlined body shape Just like there is water resistance, there is a force called air resistance that opposes motion in air. When a bird is flying, its streamlined body shape helps to reduce air resistance