Answer:
I'm not sure but I think it is convection.
That would be B. Latin America
The correct answer is - industry.
The developing countries are most often occupied with making the economies heavily focused on the industry, so the countries engage into a big industrialization process.
The industries are usually based around manufacturing of the natural resources that the country has, and most often those are the metal ores, the agricultural products, creating materials...
The developing countries usually have a relatively big economic growth, and that is due to the bad economic basis that they had as a starting point.
Answer:
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The capital {city — note: the spelling is: "capital} of Massachusetts is, in fact, Boston.
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Note that the word spelled: "capitol" ; refers to a building.
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Well I am wrong the answer is A for that helps keep the environment clean
