Explain why a rubber band fails after having been wrapped very tightly around an object for several months
What will be an ideal response?
The elasticity of the chains decreases as they are in constant tension. This consistency in tension causes creep to happen within the material and the elastic ability of the original material degrades and often becomes brittle and breaks.
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Had you been a delegate to the Constitutional Convention, how would you have voted on such issues as representation, taxation, regulation of commerce, and the slave trade? Why?
What will be an ideal response?
What are four ways to remove external ethylene from the environment?
What will be an ideal response?
Who may refill a DOT 39 nonrefillable cylinder?
A) Only refrigerant manufacturers B) Only certified technicians C) Only EPA-certified refrigerant recyclers D) Nobody
A car averages 15 1/2 miles to a gallon of gasoline. How many miles can be traveled on 40 gallons?
A. 620 B. 630 C. 635 D. 650