Answer:
The answer is c( to send signals to control the body)
Answer:
9 days, or 3 half-lives
Explanation:
5.2x10^5=520000
6.5x10^4=65000
65000/520000=1/8, or 3 half-lives
3x3=9 days
I'm not the greatest at Chem but this seems more like math than Chem :)
I would say B.
Explanation: Peer review improves the quality of research papers.
Inertia is making the penny keep doing what it is doing so staying the same and if you remove the card then the penny will drop
