I’m pretty sure it is biological because it’s your biology transporting into the other persons
Absorbing CO2 into the blood is a part of the respiratory system!
Answer:
It is the center of the solar system.
It is made up mostly of gases, not solids.
It is the most massive object in the solar system.
Explanation: The sun is only about 4 billion years old so the 3rd one is incorrect, and the last one is incorrect because the Sun is made up of mostly hydrogen
