Answer:
"Growers using organic soils will never concern themselves with supplying oxygen to their plants; however, hydroponic growers like me must be well versed in the science of dissolved oxygen (from here on out called DO). While most crops seem to prefer about 9 PPM DO, some crops like lettuce have demonstrated little to no difference in fresh weight or dry weight when grown in DO levels ranging …"
Explanation:
Answer:
It allows passage of particles into and out of the cell.
Explanation:
Answer:
state or RARELY <em>form</em>
Explanation:
CO2, or Carbon Dioxide.
Carbon dioxide is taken in during photosynthesis and released during cellular respiration.
