Two major problems associated with petroleum products are the environmental hazards associated with its extraction from the earth and also the environmental impact of its burning which emits greenhouse gases into the atmosphere which has been shown to cause global warming and climate change.
The process is called Exfoliation.
The value of goods and services produced within a country in a year<span>
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3
Green manure.
Farmyard manure.
Compost manure.
The corn belt is an example of an area that is found in mid western part of United States.
Explanation:
The corn belt came into existence since the year 1850, it was dominated by the production of corns. This word is mainly used by US that includes Indiana, lowa, ohio,illinois, South Dakota,Minnesota, Nebrasaka,Missouri, as well as Kanas.These states were usually capitalized.
Corn belt is considered to be an important belt because this belt helps in agriculture purpose. This belt produces corns as well as soyabeans. Alfaalfa as well as winter wheat are two important crops.