Different forms of the same gene-at the same location on the chromosome-are called ____.

A. alleles
B. chromosomes
C. phenotypes
D. heterozygous


Answer: A

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Refer to the figure above. What is the total load of a feeder serving four 230V motors rated 5hp, 15hp, 20hp, and 40hp?



a. 80A
b. 90A
c. 215.2
d. 241.2

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Name two factors that have caused a switch away from petroleum fuels.

What will be an ideal response?

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An increase of resistance must cause an increase of current.

Indicate whether the statement is true or false.

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Which of the following is used for piping natural gas?

A) Black iron B) White iron C) Copper D) Galvanized iron

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