The model hypothesizes that genetic vulnerability interacts with environmental factors to stimulate asthmatic reactions. a. hardiness b. hierarchy of needs c. diathesis-stress d. allergy

Photosynthesis uses co2 and cellular respiration produces co2. we call the point when the two processes are in balance--when there is no net production of co2--the compensation point. how might you limit one of the processes in order to achieve a compensation point?