Q: What reaction means, literally, “splitting with water"?   A:

Answer: hydrolysis


Q: Metals, fossil fuels, and water are all examples of what type of resource?   A:

Answer: natural resources


Q: The lungs perform gas exchange using air and what fluid, which is coming and going from the heart?   A:

Answer: blood


Q: What may be the ancestor of placental mammals?   A:

Answer: