Question: Natural selection is the process by which living things with beneficial traits produce more offspring, so their traits become more common over time. Living things with poor traits should produce more or less offspring than living things with better traits?
Answer: less

Question: The main law is the law of superposition. This law states that deeper rock layers are older than layers closer to the surface. John was looking at the rock layers at the top of the cliff. He saw that as the layers became shallower, they also became Newer or older?
Answer: Newer

Question: If salt is added to a volume of water, there are more molecules in the same volume, so the water is denser. Peter added salt to his juice one morning. The mixture became more or less dense?
Answer:
more