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❗️❗️Please help me :( ❗️❗️ How do we categorize these bodies in our solar system? (Comet, Asteroids, Meteoroids.) Also don’t answer without the answer please, It’s annoying and rude. Ty!
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❗️❗️Please help me :( ❗️❗️

How do we categorize these bodies in our solar system?

(Comet, Asteroids, Meteoroids.)

Also don’t answer without the answer please, It’s annoying and rude. Ty!

User Pkeller
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1 Answer

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The alveoli are lined with mucus and are surrounded by a network of blood capillaries. They have very thin walls for gases to be absorbed through. An individual air sac is called an alveolus. The layer of moisture in the alveoli allows gases to dissolve so that they can diffuse quickly.

I hope that helps you!
User Spongyboss
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