Two neighboring regions were exposed to different levels of abiotic stress. Eastern region was exposed to high levels of abiotic stress, while Western region was almost stress-free. Which region had fewer threatened species inhabiting it?
Ans: Eastern

Bob and Bill studied at the same university. While Bob got into studying nutrition, Bill ended up studying about cancer and how to prevent it. Which student learned more about how to choose a sunscreen that offers the most protection?
Ans: Bill

Mark was attending the music festival in his city. First, he went to stage one, where the music was playing in high decibel. Then he went to stage two. There the music was playing in low decibel. He kind of liked the latter one. Would stage two be louder or quieter than stage one?
Ans: quieter

Ben and Mike both studied earthquakes, while Mike was more interested specifically in mantle melting and related phenomena. Which person studied less about the three ways of mantle melting?
Ans: Ben