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.
Reagan's supply-side economics helped boost the U.S economy out of the worst recession since the Great Depression by giving incentives to businesses to grow. This was achieved through the reduction of the top corporate tax rate from 46 percent to 40 percent. Reagan also cut the top marginal income tax rate<span> from 70 percent to 28 percent increased the supply of labor which boosted economic growth.</span>
The correct answer is C) Economics.
The study of how people satisfy unlimited wants with limited resources is called Economics.
Economics studies the production, distribution, and how people consume products and services in a determined market. Economics based its studies on the belief that resources are limited but people in a society have many wishes, desires, wants, and needs. So Economics studies all the factors involved in the process of getting raw materials and natural resources, fabrication, supply, delivery and the prices people pay to get something they want or need.