What is it When cool air rushes in to replace warm air that has risen 1. Latitude
2. Longitude
3. Hemisphere
4. Equator
5. Wind
6. Sun
7. Poles

An adult inhales about 6.0×10−4 m3 of fresh air during a breath. only 20% of fresh air is oxygen. assume the pressure in the lungs is 1.0×105 paand the air is at a temperature of 300 k. how many oxygen molecules are in each breath? a. 1.4x10^23 b. 2.9x10^21 c. 4.9x10^-4 d. 2.9 x10^25