If your greenhouse was built in the desert southwest, many plants would use a different pathway for photosynthesis. describe the c4 pathway.

It is a method that can be used  to convert atmospheric carbon dioxide into a chemical compound that contains 4 carbons.this process prevents the plants from exposing the enzyme to oxygen so that it can actually conserve the energy for the plant. This method can also give advantages to the plants. It normally takes place on the leaves of the plants.