<span>Most fertilizer bags are marked with three numbers, which represent the amounts of the following chemicals: nitrogen, phosphorus, and potassium. The third number represents the amount of potassium in the fertilizer. All three of these chemicals are important for plants, but different plants require different amounts of these chemicals, so the label helps consumers determine which product to buy.</span>
The correct answer to this question is carbon dioxide. A cake rises as it bakes because a chemical change causes carbon dioxide to be produced. Thank you for posting your question. I hope that this answer helped you. Let me know if you need more help.
