Answer:
I can’t answer all of them, but I’ll answer the oxygen ones.
The mitochondria uses oxygen. In mitochondria, this process uses oxygen as a waste product. They are organelles that act like a digestive system which takes in nutrients, breaks them down, and creates energy rich molecules for the cell.
I hope this helps, even though I only answered 3 of your questions!!
Answer:
Birds are adapted by changing their beaks.
i pretty sure its Cytokinesis and Spindle Fibers.
Downfolds are calles synclines. B is the correct choice.
Because the gravity of the sun keeps all planets in their orbits :3 hope I helped
