Question: Q: What causes the red color of laterite soils? Choices: - oxygen - toxins - erosion - iron oxides A:
Answer: iron oxides

Question: Q: In the body, oxygen is used by cells of the body's tissues and carbon dioxide is produced as what? Choices: - oxygen - fuel - food - waste product A:
Answer: waste product

Question: Q: What type of taste do bases normally have? Choices: - sour - salty - sweet - bitter A:
Answer:
bitter