Give two reasons why society went from bio-based products to chemically based products.
What will be an ideal response?
Three reasons why society went from bio-based products to chemicalbased
products are the following: (1) development of the automobile,
which generated an enormous demand for inexpensive liquid fuel;
(2) the discovery and development of large oil deposits; and (3) the
chemical industry’s invention of new processes that converted the cheap
petroleum (oil and natural gas) into useable and inexpensive products
such as gasoline, plastics, and other products. In the 1940s and 1950s, a
kilogram of corn cost four to fi ve times more than a kilogram of oil.
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The temperature rating of conductors must be selected and coordinated after consideration of the ____ of any connected termination, conductor, or device.
A. lowest temperature rating B. highest temperature rating C. current load D. voltage load
What does NSPE stand for?
a. National Society of Pipeline Engineers b. National Society of Petroleum Engineers c. National Society of Professional Engineers d. Northern States Power Enterprise
Using 3.0 cubic feet of mortar per 100 square feet of wall, determine the amount of mortar needed for the CMU wall in Problem 13.
What will be an ideal response?
Most equine operations feed more alfalfa than grass hay.
Answer the following statement true (T) or false (F)