Answer:
B. Petroleum
Explanation:
Silver is second.
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Answer:
The response is Option D. New grain crops developed in the Green Revolution is NOT something that contributed to worldwide population growth at that time.
Explanation:
The Green Revolution refers to a push towards technological advancement and agriculturally engineered outputs like high-yielding varieties and crops in the 1950s and 1960s. It was particularly impactful in developing countries where there had yet to be much industrialization or mechanization of food production. Advances in irrigation and the use of chemical fertilizers also helped to increase food production in these areas in the 1950s and 1960s. Research institutes studying specific staple crops were established like the International Rice Research Institute (IRRI) in the Philippines in 1960.
Explanation:
Its because of humans cause they are evil
Answer:
Around A.D. 1000
Explanation:
Around A.D. 1000, Eriksson sailed to Norway, where King Olaf I converted him to Christianity. According to one school of thought, Eriksson sailed off course on his way back to Greenland and landed on the North American continent, where he explored a region he called Vinland. Eriksson sailed off course on his way back to Greenland and landed on the North American continent, where he explored a region he called Vinland
