The Carbon Balance quiz# 1

Hi Mr.Wood, I'm Isaiah from your 1st period class. I want to answer all the questions from the Carbon balance quiz#1.

#1.   There are about three hundred eighty seven parts per million.

 #2.  It was on May 1st 

 #3. It would move down because the plants would release the carbon dioxide.

  Thanks for your time. See you when you come back.