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Identify and state the historical significance of the Freedmen's Bureau.
What will be an ideal response?
A bureau created by Congress to help transition unskilled, newly free people into independent life.
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________ is the production of an embryo that bypasses the usual process of meiosis and fertilization.
Fill in the blank(s) with the appropriate word(s).
The public concerns about the use of Bt toxins center on which of the following?
a. competing cultural techniques c. effect on prey animals b. insect resistance to the toxins d. soil buildup of plant remains
A symbol in which a circle is below the reference line and tangent to it has the number 200 mm shown to the right of the circle. Directly below the circle is the number 6 in parentheses. The letters "SMAW" are shown in the tail. What does this symbol signify?
A. Spot welds 200 mm in diameter are to be placed on the arrow side of the object. There are to be 6 welds, each placed with the shielded metal arc welding process. B. 6 spot welds are to be placed on the arrow side of the object 200 mm apart with the welds placed with the shielded metal arc welding process. C. Seam welds are to be placed on the arrow side of the object, 200 mm apart with the welds penetrating a distance of 6 mm. D. A weld all around with a thickness of 200 mm is to be placed with a penetration of 6 mm. E. None of the above. This is an incorrect symbol.
Acid is created within a refrigeration system when:
A) Moisture is teamed with refrigerant in the refrigeration system. B) The compression ratio within the system is significantly increased. C) There are large quantities of air within a refrigeration system. D) Noncondensable gases collect within the condenser.