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Oksana_A [137]
3 years ago
14

How do airplanes stay in the air?

Biology
2 answers:
victus00 [196]3 years ago
6 0

Answer:A plane's engines are designed to move it forward at high speed. That makes air flow rapidly over the wings, which throw the air down toward the ground, generating an upward force called lift that overcomes the plane's weight and holds it in the sky. ... The wings force the air downward and that pushes the plane upward.

bija089 [108]3 years ago
3 0

Explanation:

A plane's engines are designed to move it forward at high speed. That makes air flow rapidly over the wings, which throw the air down toward the ground, generating an upward force called lift that overcomes the plane's weight and holds it in the sky. ... The wings force the air downward and that pushes the plane upward

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Answer:

Sugars and phosphates  

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C is wrong. There is no RNA in DNA.

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2 years ago
The front leg of a cat, the front flipper of a dolphin, and the wing of a bat have the same structure and order of bones. These
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Answer:

The bones are homologous structures

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