Answer:
Explanation:
if the last word in a is increases, then a should be the correct answer.
The problem is with D. If you have a very large container and the temperature is not uniform, the slower molecules will be at the bottom (hot air rises is the old wive's tale). Therefore the bottom would have a higher pressure because the mass is greater.
But that's pretty far fetched. The container would have to be huge for that to be true. Since we both it should be a) I think I would ask my teacher. There might be a surprise in there somewhere.
