Why did cotton become so important?
What will be an ideal response?
Cotton became so important because of its popularity as a fiber. It was needed in great
quantities in Europe to make clothing and cloth. Clothing made from cotton was more
comfortable and more affordable, thus everyone wanted it. As a result, southern farmers
produced mainly cotton. Few other commodities were produced, because the whole
economy of the South was wrapped around the production of cotton.
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IDENTIFY TEST PROCESS SYMBOLS AND DIAGRAMS
Which of the following meshes is fabricated from a single sheet of metal?
a. Hex mesh b. Lattice mesh c. Metal fiber mesh d. Expanded metal mesh
A new catalyst is being investigated for use in the production of a plastic chemical. Ten batches of the chemical are produced. The mean yield of the 10 batches is 72.5% and the standard deviation is 5.8%. Assume the yields are independent and approximately normally distributed. Find a 99% confidence interval for the mean yield when the new catalyst is used.
What will be an ideal response?
If the tongue and lace area of a welder?s safety shoes are exposed, the welder should _____
a. add cotton boot covers b. wear leather spats or chaps c. position the exposed area away from the arc d. use shielding gas to protect the exposed area