Answer:
Green revolution, great increase in production of food grains (especially wheat and rice) that resulted in large part from the introduction into developing countries of new, high-yielding varieties, beginning in the mid-20th century. Its early dramatic successes were in Mexico and the Indian subcontinent. The new varieties require large amounts of chemical fertilizers and pesticides to produce their high yields, raising concerns about cost and potentially harmful environmental effects. Poor farmers, unable to afford the fertilizers and pesticides, have often reaped even lower yields with these grains than with the older strains, which were better adapted to local conditions and had some resistance to pests and diseases. See also Norman Borlaug
Answer:
Railways;roadways
Explanation:
The first half of the 20th century saw an increase in the development of railways which stimulate the development of town and cities which linked the countries together.
In the United States. After World War II many major cities were linked to the suburbs because of the development of roadways;highways contributed to the growth of suburbs.
Answer:
the Himalayas
Explanation:
The Himalayas are responsible for this cause. Hope it helps!
The distance between the east coast and west coast of Australia is 2,500 mi.
Australia is an island country that is also a continent on its own, and that makes it unique. It is one of the biggest countries in the world, and no wonder that it is a very long and wide country.
In a straight line, Australia's east coast is 2,500 mi away from the west coast of the country.
The biggest and most influential city in the east coast is Brisbane, while on the west coast it is Perth that has that role.
Answer:
they hold the world together somewhat anyways