Question

During the second green revolution, fast-growing varieties of _____, specially bred for tropical and subtropical climates, have been introduced into middle-income, less-developed countries such as India, China, and Brazil.

Answer 1

Answer:

The answer is:  rice and wheat

Explanation:

The green revolution is a set of new advances that increased agricultural production worldwide,

In the 1960s, improved varieties of wheat and new strains of rice spread quickly across Asia. In addition the expanded use of fertilizers, irrigation and the support for public policies led to a dramatic growth.