B. Write FACT if the statement is correct and BLUFF if
false. Use the figure 4 as your guide

1. There is less space between air molecules at higher
altitudes.
2. If the altitudes decrease, air pressure increase.
3. There is less oxygen to breathe at the top of a high
mountain than there is at sea level.
4. Air density is lower at lower altitudes.
5. Air gets cooler the higher you climb a
mountain.​