The answer is - it can not be taken out of the atmosphere.
The nitrogen, even though makes for about 78% of our atmosphere, and is by far the most abundant gas in it, we can not use it because it can not be taken out of the atmosphere as it is. If we take nitrogen in the form as it is in the atmosphere it is useless for both, humans and plants. It has to go through a process of ''fixation'' first before we can actually use it in our food.
Answer:
many factors
Explanation:
Various factors like urbanization, population growth, a decrease in agricultural land and poor policy making are responsible for the increasing food insecurity in Asia. Lack of proper education also causes poverty.