A legume is a group of plants which belongs to the family Fabaceae. These plants can be characterised by having root nodules in their roots especially which are the house of the nitrogen-fixing bacteria.
The legumes are known for their seeds and fruits which are very rich in protein and low carbohydrates so they are commercially grown by the farmers.
In the give question, since the given bean plants belongs to the family Fabaceae which are very rich in protein therefore legumes is the correct answer.
Unfortunately no, my friend is not correct. The CO2 pollutants leaving his exhaust are warm, yes, but that is why our atmosphere is creating global warming which is affecting climate in all regions. When there is more people that means more cars and more pollutants being dispersed into our atmosphere.
