Answer:
The answer is A
Explanation:
It is logical because the balloon lets the student see how much gas is released in the reaction. the balloon inflates with invisible air the student will normally not see.
Explanation:
<em><u>risky </u></em><em><u>behavior </u></em><em><u>and </u></em><em><u>abuse </u></em>
Answer:
b-las hojas
Explanation:
Fotosíntesis: Se realiza en las hojas que se orientan hacia la luz. La clorofila atrapa la luz del sol.