How does agriculture continue to be an important part of the economy if the
number of farmers has declined?
What will be an ideal response?
Although the number of farmers has declined, job opportunities in the fields that
support the farmer have increased. More than 20 million people are employed in the
field.
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Of the following copper tubing types, the one with the thinnest wall is _____.
a. Type K b. Type L c. Type M d. Type ACR
Feed costs range from _____ percent to _____ percent of the total cost of raising hogs
a. 20, 25 c. 55, 70 b. 30, 40 d. 60, 80
Define bottom-up manufacturing.
What will be an ideal response?
Answer the following statement(s) true (T) or false (F)
1. Stress provides a measure of the intensity of internal forces acting over an area. 2. The modulus of elasticity, or Young’s modulus, is computed by calculating the slope of a stress-strain diagram over the elastic region. 3. The modulus of elasticity is a measure of how easily a material will stretch when pulled (subject to a tensile force) or how well the material will shorten when pushed (subject to a compressive force). 4. A ductile material shows little or no permanent deformation before it ruptures. 5. A brittle material, when subjected to a tensile load, will go through significant permanent deformation before it breaks.