Answer:
examples of type of matter that <u>c</u><u>i</u><u>r</u><u>c</u><u>u</u><u>l</u><u>a</u><u>t</u><u>e</u><u> </u>through the environment are carbon, nitrogen, and water
Question 1 answer: A
Question 2 answer: H
Question 3 answer: J
Question 4 answer: T
Http://www.chem4kids.com/files/elem_pertable.html this should help.
The answer is C. mechanical energy because chemical energy gives our bodies the ability to move and function
.5/.5 = 1 M, as there would be 1 mol in a liter.