Why is copper used for electrical wiring?
A) It is an excellent conductor of electricity.
B) It is very rigid.
C) It has a metallic luster.
D) It is rare, explaining why wiring is expensive.
Answer: A
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Nucleic acids
A) act as hormones that allow cells to communicate with one another. B) consist of folded strings of amino acids. C) store energy in living organisms. D) store genetic information in living organisms.
In an overturned fold, ____
A)both limbs dip in opposite directions B)both limbs dip in the same direction C)a dome is formed D)a basin is formed E)fractures are always present
Water pollution is said to originate from point and non-point sources
Indicate whether the statement is true or false.
Tsunami wave velocity is constant with depth, and remains the same in deep ocean and shallow water
a. True b. False