(4.03_Q3) Neutral atoms of the same element can have different numbers of O protons
neutrons
electrons
Alfs

Can someone me with questions 12 and 13 plz.

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

Mike and mitchell decide to have a foot race. they mark off a stretch of 100 yards, and recruit cindy to work the stopwatch. after running the race and looking at the results, cindy declared that mitchell was the fastest. so how did the boys times compare?