Question: During the summer Anthony found it was way too hot to be comfortable. He went out to his garage to get an old fan. The fan was spins on a metal bearing but because it is old it was slightly rusted. When he turned the fan on it spun very slow, struggling to move. He then decided to lubricate the bearing that rotates the fan blades and the fan started spinning normally. Given a rusted machine and a freshly lubricated machine, which one will require less work to operate, the rusted one of the lubricated one?
Answer: lubricated machine

Question: The Madrigal Ocean and the Listy Ocean are two bodies of water currently under observation by scientists on a planet nearly identical to Earth. Although the studies have just started, the scientists have already discovered that the salinity of the Madrigal Ocean is much lower than that of the Listy Ocean. This isn't much information, but it's progress and the scientists are not going to stop their studies until they learn all that they can about these waters. Is the Listy Ocean probably connected to more or less rivers than the Madrigal Ocean?
Answer: less

Question: When comparing village A from ten thousand years ago to village B from today, we reached the conclusion that today's villagers release much more carbon into the atmosphere by their activities. Which village indirectly reduced the number of autotrophic organisms?
Answer:
village B