Hi everyone it’s Harry, on Wednesday we took a test on Nitrogen and three of our most interesting questions were: The roots of legumes have on their roots; the answer to fill in the blank is Nodules; 2nd What percentage of the air we breathe is Nitrogen? The answer is: 80%; 3rd If you come upon a corn stalk that is yellow, weak, and unhealthy, what could be the problem? The answer: Nitrogen Deficiency. Those were the three most interesting questions on our quiz.