Answer:
- Breeding superior types of grains
Use of machinery
Use of irrigation
Use of fertilization
Soil conservation
Explanation:
Green Revolution is described as the age of drastically increased agricultural productivity due to wide-ranging advancement in agricultural technology in the 20th century.
As per the question, the efforts that were major elements of the Green Revolution include 'breeding of superior types of grains', 'expansion in the use of machinery, fertilization, and irrigation facilities', 'conservation of soil', etc. All these together contributed to substantial growth in the agricultural productivity that led to revolution.
The correct answer is <span>c. transported groundwater from a distance
It wasn't the first known use of wells as wells older than them were found in places like Cyprus and Egypt and Austria who were as old as 6000-8000 years before common era. It also wasn't a postindustrial system as it was used in ancient china in the expansion of trading during the silk road trading era. It only leaves C as the correct answer.</span>
Muhammad passed his messages from God to his followers in Mecca.