In an area deficient in nitrogen, why would a plant, such as a legume, have an advantage over another type of plant?
A- It reproduces at a much faster rate when exposed to limited amounts of nitrogen in the air
B-It is an economically profitable crop.
C-It can survive for longer periods of time in arid areas due to its extensive root structure.
D-It is able to pull in and use nitrogen from the atmosphere through the process of nitrogen fixation