Question

learning objective: recognize the important characteristics of meat sources related to agriculture practices. what was the main cause of the green revolution in the mid - 1900s? a.) the adoption of organic farming and fair - trade practices b.) the increased use of chemical fertilizers and pesticides. c.) the expansion of arable land and irrigation systems d.) the introduction of genetically modified crops

Explanation:

The Green Revolution in the mid - 1900s was mainly characterized by the increased use of chemical fertilizers and pesticides, along with high - yield crop varieties. Organic farming and fair - trade practices were not central to it. The expansion of arable land and irrigation systems were factors but not the main cause. Genetically modified crops came later.

Answer:

B. The increased use of chemical fertilizers and pesticides.