African Countries Move to Bio-Farming to Alleviate Food Shortages

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1. Getachew Tikabet says that fertilizer and energy can come from

A.
B.
C.
D.

Question

2. To obtain these benefits, the family would use

A.
B.
C.
D.

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3. Besides cooking gas, the digester produces

A.
B.
C.
D.

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4. The entire cycle

A.
B.
C.
D.