Answer:
B. air pressure increases
Explanation:
Think of it like this, the lower you are, the more air is above you. The higher ur elevation, the less air above you. I hope this can help!
1. eye color is an inherited trait
2.photosybtheis by plants
3. either biome or habitat
4.XY
5.manyfactures new blood cells
6. large intensity and kidney
7.idk
