Fifty years ago, more than 90% of the population worked on farms
Indicate whether the statement is true or false
F
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____________________ is moving the electrode back and forth sideways to create a bead that is wider
than the electrode would normally make.
Fill in the blank(s) with the appropriate word(s).The "boat people" were
A. the first wave of Vietnamese immigrants who fled to the United States immediately after the fall of Saigon. B. Cuban refugees who fled communism and landed in Florida. C. a second wave of Vietnamese people who sought to escape Vietnam's oppressive communist regime for freedom. D. Cambodians who came to the U.S. seeking a better life after the Vietnam War. E. None of these choices are correct.
Three-two-input AND gate ORed together would have ________ possible outputs
Fill in the blank(s) with correct word
In a cascade system, if one refrigeration circuit (stage) develops a large refrigerant leak, ____.
A. the evaporator superheat of all the other circuits (stages) will increase B. the condenser subcooling of all the other circuits (stages) will increase C. none of the circuits will operate correctly D. both b and c