Answer:
13. D Hypothesis 14. A Analyze Matter, Solve Problems
Explanation:
The ppm is denifite by how many parts of the solute is present in a one million parts of the solution. Remembring that the solute should be in "mg" and the solutions shoud be in "kg".
Number 3If you notice any mistake in my english, please let me know, because i am not native.
Answer:
<h2>both of them</h2>
Explanation:
<h3>I hope it's helpful for you ✌</h3>