Calculate the gross rate of photosynthesis (mm/hr) for Elodea if when measuring net photosynthesis, the water level moved up 7mm from the initial level in 10 min, and when measuring cellular...

Extracted text: Calculate the gross rate of photosynthesis (mm/hr) for Elodea if when measuring net photosynthesis, the water level moved up 7mm from the initial level in 10 min, and when measuring cellular respiration it took 15 minutes for the water level to move down 1 mm. 48 mm/hr 42 mm/hr 46 mm/hr 38 mm/hr 50 mm/hr 30 mm/hr