Answer:
Inside the air sacs, oxygen moves across paper-thin walls to tiny blood vessels called capillaries and into your blood. A protein called haemoglobin in the red blood cells then carries the oxygen around your body.
Explanation:
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Answer:
Because when ice is made it traps air bubbles inside and that causes the ice to float.
Any theory must contain a meaningful concept with new evolution to accept by the scientific community
Answer:
I am 100% sure it's 1.) Faults.
Explanation:
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