It pulls towards it until it gets to a certain point and pushes away and so it stays in a steady orbit
8) is b.
im not sure if this is right though
18) is d
Increase in carbon dioxide in your red blood cells which causes a drop in PH causes your breathing to speed up. If you hold your breath, rising carbon dioxide blood gas changes first leading to the urge to breathe. Carbon dioxide enters blood at the abdominal organs, hindlimbs, capillaries of the head.
Answer:
basically every living thing breathes oxygen O2 and exhales carbon dioxide CO2
Explanation:
So orcas use O2 and produce then CO2.
The answer to that will be prokaryotic
