Problem: Dan is conducting a research to see how a substance behaves in varying pressure. First, he selects a gaseous substance in very low pressure. He calls it as case A. Then he increases the pressure. He calls it case B. Finally, he increases the pressure even further. He calls it case C. In case B would the particles see less or more distance between them than in case C?

A: more

Problem: Bend village was located 20 miles away from Mound village. People in Bend village used gasoline powered vehicles, while Mound village used only electrical vehicles. Which village released fewer volatile hydrocarbons into the atmosphere?

A: Mound

Problem: Pete lived in Alaska, but visited his friend Julia from Hawaii very often. They had many mutual interests, including geology and earthquakes. Which person lived farther from Oahu island?

A: Pete

Problem: Scientists studied two island. One with an old ecosystem named Old island, and the other with a newly formed and forming ecosystem named New island. Both islands were inhabited, Old island being heavily inhabited. Which island had a more favorable soil for new ecosystems?

A:
New