Two technicians are discussing potentiometers. technician a says that most potentiometers use a supply wire, ground wire, and a signal wire. technician b says that potentiometers should show a relatively smooth increase and decrease of voltage when moved through its range of motion. who is correct?

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Spider crabs live in the shallow regions of the ocean floor. algae tend to grow on the surface of spider crabs. the algae provide the crabs protection from predators by camouflaging them. the spider crabs give the algae shelter. what does this description suggest? 1. the algae are parasites of the spider crabs. 2. the algae and the spider crabs have a mutualistic relationship. 3. the spider crabs are commensals, and the algae are parasites. 4. the spider crabs benefit from the algae living on them. 5. the spider crabs are parasites of the algae.

Compare the advantages and disadvantages of using cash instead of a credit card to obtain good services