Answer: Activation energy
Explanation:
https://www.google.com/search?q=minimum+energy+for+effective+collision&oq=minimum+energy+for+effective+collision&aqs=chrome..69i57j0l2j69i61.4832j1j7&sourceid=chrome&ie=UTF-8
My Heroes is the time of my time I am in college now that I will do it again tomorrow night and you can do something to me about it and then I will never go back again I hope that I can do this again I don’t want
The answer is A: the PH scale
Nitrogen followed by oxygen