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Which of the following is not one of the three important developments that was made in agriculture in the past 50 years?

A.
a growing labor force
B.
the use of biotechnology
C.
increased mechanization
D.
the development of agriculture as a business

2 Answers

5 votes
A.) Growing labor force
User MateuszWawrzynski
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7 votes
A growing labor force. 
User Nemanja Boric
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