Croatia and Italy were two countries of similar size and population located on opposite shores of the same sea. Croatia based its economy on tourism and fishing, while Italy based its economy on conventional agriculture. Both countries had thriving economies, but they both polluted the sea in different ways. Which country caused less marine litter?
Ans: Italy

Andy has a refrigerator in his house with lots of magnets on it as decorations. One day while playing with and rearranging them he decided to see what other metals around his kitchen they would stick to. The things he had available were copper pots and pans, aluminum foil and some wooden spatulas. Given Andy puts a magnet on the aluminum, will it have a magnetic attraction or no attraction?
Ans: no attraction

Rob is an environmental scientist. He is studying the effect of insect species on environment. For his study he chose four locations, location A, location B, location C and the entire globe, which he denoted as location D. He noticed location A's loss of biodiversity is temporary , but location B's loss is permanent. Location C's loss of biodiversity yet to be determined. Could location D's biodiversity loss most likely be restored or not be restored?
Ans: not be restored

Iran an Iraq are 2 neighbors. Iraq produces its electricity by burning fossil fuels, while Iran uses nuclear fission as its energy source. Which country causes more global warming?
Ans: Iraq