Question: The more the baby suckles, the more prolactin is released, which causes more milk to be produced. As Carla's baby drank breast milk more vigorously, the milk that was made was more or less?
Answer: more

Question: Richer nations use far more energy resources, especially fossil fuels, than poorer nations do. The US is richer than Uganda, so it likely uses more or fewer fossil fuels compared to Uganda?
Answer: more

Question: Solar power is expensive, but as demand increases technology improves and costs decrease. In the past, solar power was more expensive or less expensive than it is today?
Answer:
more expensive