Q: Iceland and Ireland both used agriculture as a the main component of their economies. Ireland used lots of fertilizer and had big environmental problems as a result. Iceland does a lot of greenhouse agriculture using geothermal energy, so it is more protective towards the environment. Which country had more fertilizer in the runoff?
A: Ireland

Q: Pat and Tammy are mother and sister. They like to take long walks together. Pat is 60, while Tammy is 32 years-old. Which person shows more physical signs of aging?
A: Pat

Q: Diana is studying astronomy and in her spare time likes to stargaze. She has never been outside of her large city however. One weekend she got to go on a camping trip with her parents. When they arrived at the campsite, which is very far from the lights of the city she noticed the number of stars she could see in the sky greatly increased. Will being in a city increase or decrease the number of visible stars?
A: decrease

Q: Susan went to the store to buy some bags of ice for a party she was having later in the day. When she got home she put one bag of ice in the sink and another in the freezer, but then was distracted by a phone call and forgot to put the other bag in the freezer. When she returned, the bag of ice had melted. Thomas is a research assistant and has taken samples of rat liver enzymes that need to be stored overnight. He places one in refrigerated storage, but forgot one and left it out on the counter top. Will the refrigerated sample have a lower or higher average kinetic energy than the sample on the counter?
A:
lower