Question

the green revolution was an agricultural revolution that took place from 1950 - 1970. the green revolution focused on improving crop yield. it aimed to increase crop yields through modern agricultural means. the basis of the green revolution is that we would select that some plants would produce more than others and then take these traits and transfer them to the less producing plants. it is often implied that the green revolution will continue into the future.
the green revolution aimed to increase crop yields through what means?
decreasing the use of fertilizers
modern agricultural techniques
reducing the number of crops

Explanation:

The text clearly states that the Green Revolution aimed to increase crop yields through modern agricultural science. Modern agricultural techniques are a key part of this, as they involve advanced methods and technologies to improve farming. Decreasing fertilizer use (A) and reducing crop numbers (C) are not mentioned as means for yield increase in the provided text.

Answer:

B. modern agricultural techniques