Question: Martin is moving and he needs to make a ramp so he can load heavy furniture into his truck. He has a bad back, so he wants to use the least effort possible. Before he cuts the wood, he is trying to decide how long the ramp should be so he can move the heavy furniture easily. Given the paragraph above, please answer correctly the following question: If Martin has enough materials for a long ramp will he need to exert a higher amount of effort or lower amount of effort?
Answer: lower

Question: The biologists found out that the Indian Ocean had a lower water pH than it did a decade ago, and it became acidic. The water in the Arctic ocean still had a neutral to basic pH. Given the paragraph above, please answer correctly the following question: Which ocean experienced less water acidification over the last decade?
Answer: Arctic

Question: Sam is going to visit his grandfather. His grandfather lives in a retirement home and can barely take care of himself anymore. Given the paragraph above, please answer correctly the following question: Will Sam's grandfather have an increased or decreased chance of developing Alzheimer's disease?
Answer:
increased