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
I think the answer is d not a 100 % sure
In order to investigate past, present, and future social and environmental change in various parts of the world, human-environment interaction (HEI) provides a framework that brings together knowledge sharing both disciplinary depth and interdisciplinary scope.
All of these strategies must be interdisciplinary and integrate the social and natural sciences, and this is important.
<h3>How do social factors influence human interactions?</h3>
Numerous human activities such as overpopulation, pollution, the burning of fossil fuels, and deforestation have an adverse effect on the physical environment.
Climate change, soil erosion, poor air quality, and undrinkable water have all been brought on by changes like these.
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