Question: Q: What speeds up chemical reactions inside cells? Choices: - nucleus - inhibitors - electrodes - catalysts A:
Answer: catalysts

Question: Q: What mineral is used to produce glass? Choices: - lead - feldspar - pyrite - quartz A:
Answer: quartz

Question: Q: Of all the mineral nutrients, what contributes the most to plant growth and crop yields? Choices: - oxygen - methane - silicon - nitrogen A:
Answer:
nitrogen