Problem: Two counties paid a study about acid rain. They found out Hill county had experienced that, while New county hadn't. Which county experienced less precipitation destructive to wildlife?

A: New

Problem: Hill town was full of gasoline powered vehicles, while Valley town 50 miles away, banned all gas powered vehicles and allows only electrical vehicles or horse-and-buggies. Which town had more volatile hydrocarbons in the atmosphere?

A: Hill

Problem: Two bird islands in the Atlantic Ocean had very different climate changes during the last 5 years. Bone island experienced drought, while Finch island experienced flooding. Which island had none of the big-beaked birds die?

A: Finch

Problem: David needs to purchase a camera for his photography class. He went to the local consumer electronics store to find himself a good camera. Two cameras caught his eye, camera A and camera B. Camera A had a very small pinhole, but camera B had larger aperture. David needs to decide which camera should he buy. Would camera A have higher or lower beam quality?

A:
higher