At the current rate of growth, earth's human population will double in about 50 years. which of the following is the least viable strategy for ensuring adequate nutrition for a population of this size?
a. increasing the number of new crops from the great diversity of plant species
b. doubling the area of arable land on a global basis
c. developing systems for making the global distribution of food more equitable
d. increasing the area of land that is currently dedicated to grain production by reducing the area dedicated to meat production
e. assisting developing countries in using highly efficient crop irrigation systems

Doubling the area of arable land on a global basis

Explanation:

Here, the least viable option or strategy has been asked. Doubling the area of arable land on a global basis is the least viable option because it is quite impossible in the given circumstances. At the moment, year by year, the arable land on planet earth is actually decreasing due to the aggressive agricultural techniques and chemical usage for harnessing more output has contaminated the top soil in many regions. This means that the crop output and the arable land both are decreasing. Also, floods and other natural disasters affect or decrease arable land as well. Hence, doubling the current arable land 1.5 billion hectares globally which is 11% of the globe is pretty impossible in the current situation.

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