The Neutron-to-Proton Ratio. Hope this helps Sorry if it's wrong I'm a little rusty on Physics.
Oml... Its physical... Unless if your turning that wheat into bread by using fire it would be chemical.
Yeeeeeeeetus
Answer:
Add items to the box
Explanation: I did the test
Answer: Always ask. ...
Put your weights back. ...
Be mindful of your surroundings. ...
Bring a towel. ...
Clean up after yourself (and, if you have to, other patrons). ...
Selfies: Try to be discreet about them. ...
Personal space: respect it. ...
Don't hog the equipment.