An advantage of parallel circuits is that a. it is the simplest type of circuit to make. b. electrons can only take one path, so the flow of energy is always known. c. if one part of the circuit is not working, the other parts can still work. d. when one part of the circuit breaks, the whole circuit must be replaced.

a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be?

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real, smaller and upside-down.   so the answer should be b.