Define U-factor.
What will be an ideal response?
U-factor measures how well a product prevents heat from escaping.
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Why was the proposal for colonizing blacks back to Africa attractive to many whites, even as late as the onset of the Civil War? Why was the proposal for colonizing blacks back to Africa racist and highly discriminatory by many American blacks? Do you agree with this assessment that this proposal was underpinned by racism by whites against blacks?
What will be an ideal response?
The diac will remain turned on until the applied voltage drops below ____.
a. above its holding current b. below its holding current c. above its conduction level d. below its conduction level
The leveling rod that is 10ʹ long and has graduated alternating 0.10ʹ-wide red and white stripes is known as the _____ rod