You can create environmental protection through public awareness using data collection: to show facts, policy development: to set out some rules, and enforcement to make sure people listen to the states.
C) mountains
I just did this and it is the right answer
The higher into the atmosphere one goes, the lighter the air pressure. This is because the "column of air" above that area is shorter, as you are nearer to outer space. This means that the lowest pressure would most likely be found on a mountaintop, compared to the other options. This is Choice B.
