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Two main factors help birds fly: their own strength and propulsion. Birds use propulsion by turning their wings, lifting them upward, then turning them downward. As they lift the wings, air pushes up from below and pushes the bird forward.
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Do Falcon have teeth?
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Did the medieval people use birds to send messages?
yes,the medieval people use birds to send messages.
Why birds use sticks to make nests?
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How do birds use sound?
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Coopers hawk method of propulsion?
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What mechanisim do fish use?
propulsion
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The new airplane's propulsion wasn't as good because it crashed during the process.
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propulsion means to drive forward or to propel so use it in a sentence that way
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jnkhbubyh
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What is propulsion in anatomy?
Propulsion
