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D)Oxygen diffuses from alveolar sacs to blood in capillaries
The Earth's layers in order from the center to the surface would be The Inner Core, The Outer Core, The Mantle, The Asthenosphere, The Lithosphere, then The Crust. Hope this helped!
-TTL
Answer:
Top left square SS Top right square ss bottom left square Ss bottom right square Ss
hope it helps
