Question: In erosion, the higher the elevation, the farther the stream is from where it will reach base level and the more cutting it has to do.  Having read the above passage, choose the right answer to the following question (choices are more or less ):   A stream in a state with a higher average elevation will have to do more or less cutting to reach base level that in a state with a lower average elevation?
Answer: more

Question: The pupil automatically gets bigger or smaller to let more or less light in as needed.  Having read the above passage, choose the right answer to the following question (choices are less or more ):   Will's pupils grew larger as the night grew darker. This happens to let less or more light in?
Answer: more

Question: Fossils found at the lowest layer of rock would be the oldest, as these would have been buried for the longest time, whereas fossils found closer to the surface would be buried more recently and therefore be younger.  Having read the above passage, choose the right answer to the following question (choices are youngest or oldest ):   Everett went lower and lower to look at the rocks on the cliff. The lowest rocks are likely youngest or oldest?
Answer:
oldest