Explanation:
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.
The best answer would probably be D, because they'd need the enough land or they wouldn't even be able to think about building it.
<span>Adaptive Radiation would be your answer :D</span>
1. create an action plan
2. make a schedule
3. prioritize tasks
4. break up the project into simpler tasks
5. delegate work
☆i hope this was helpful☆
have a great day ily