Diffusion.
diffusion acts passively, and the oxygen and carbon dioxide move to the area of lower concentration
Answer:
A but in ny school we do it at 14 and 6 months so :|
1. For some it is challenging, which they like and gives them a purpose.
2. Co-workers.
3. They make money and can support themselves and buy things that they need and want.
4. If you are a teacher or any kind of helper, it feels good to help people.
(Please give brainliest if this helped!)
The answer to the question is True
