Q: Read the passage below and choose the right answer to the following question (choices are Higher or Lower ):  More particles inside the container means more collisions, and more collisions mean a higher pressure.   John was watching the particles as they interacted with each other. He found that the lower the pressure, the collisions were Higher or Lower?
A: Lower


Q: Read the passage below and choose the right answer to the following question (choices are lower or higher ):  The more branching there is in isomers, the lower the boiling and melting points are.   Eric added branching isomers to one solution, and left the other solution alone. The isomer solution now has a lower or higher boiling point?
A: lower


Q: Read the passage below and choose the right answer to the following question (choices are top of the mountain or bottom of the mountain ):  The surface is heated by the Sun and some of that heat radiates back into the air. This makes the temperature higher near the surface than at higher altitudes.   If Jim climbs to the top of a mountain and takes the temperature after taking the temperature at the bottom of the mountain, which area will he get a lower reading at top of the mountain or bottom of the mountain?
A: top of the mountain


Q: Read the passage below and choose the right answer to the following question (choices are decrease or increase ):  Greater use of oil and other fossil fuels causes more pollution.   When we add more cars to the road the pollution levels decrease or increase?
A: increase