The answers are
1. nitrogenous
2. acid-base
3. fluid
<span>C. controls which substances enter and exit the cell
Good Luck!!</span>
Thirty-five percent of the trees cut down are used to make paper. That means sixty-five percent of the trees cut down are used for something other than paper. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help.
