Why is it imperative that a nut be of the same grade as the bolt on which it is used?
What will be an ideal response?
If the nut and bolt are not of the same grade, the tension produced as the fastener tightened may cause the weaker component to fail.
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Transplanting container plants to the landscape is more difficult for some plants because the soilless mixes are too different in structure from the soil in which the plant will be transplanted
Indicate whether the statement is true or false
To be classified as a ______________________, a substance must cause a significant increase in the rate of cancer in laboratory animals over that occurring in a nontreated control group
Fill in the blank(s) with correct word
Expertise in which of the following helped to aid Ptolemaic advances in medicine?
a. mummification b. Hippocrates’ four humors c. heliocentric theory d. engineering
Which of the following was one of the major U.S. fires of 1871?
a. Great Fire of Pittsburgh b. Great Chicago Fire c. Great Boston Fire d. Great New Orleans Fire