The polyculture system where annual grain crops are planted into a suppressed perennial sod is:
a. living mulch c. contour strip cropping
b. strip cropping d. alley cropping
A
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Classify the following resources as either renewable or nonrenewable.
a. Biogas b. Tin c. Fossil water d. Tuna e. Geothermal energy f. Diamonds What will be an ideal response?
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Describe the disadvantage of the direct-coupling technique.
What will be an ideal response?
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Write the stiffness matrix corresponding to the degrees of freedom 1, 2, and 3 of the continuous beam shown in Figure P16.2.
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