Describe the impact cellular respiration has on
other organisms and the environment.

(! ) what’s fracking and what does it have to do with carbon, carbon dioxide, or fossil fuels?

How do accessory pigments chlorophyll?

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