Answer:
Green revolution, great increase in production of food grains (especially wheat and rice) that resulted in large part from the introduction into developing countries of new, high-yielding varieties, beginning in the mid-20th century. Its early dramatic successes were in Mexico and the Indian subcontinent. The new varieties require large amounts of chemical fertilizers and pesticides to produce their high yields, raising concerns about cost and potentially harmful environmental effects. Poor farmers, unable to afford the fertilizers and pesticides, have often reaped even lower yields with these grains than with the older strains, which were better adapted to local conditions and had some resistance to pests and diseases. See also Norman Borlaug
The Great Wall of China is 374 of age hope this help
I would say <span>A) perceptual region</span>
Answer:
route to not be a water disaster if the richest man is primitively and jointly of course rain in itself will not immediately solve the problem as the water supplies have shrunk to such an extent that will take a long time for them to be reply insead
I’m pretty sure it’s the 2nd one :)
