Which of the following traits has occurred as a result of natural selection? Over time, raccoons learn to get food from garbage cans.

Over time, a person increases muscle mass with exercise.

Over time, honey suckle flowers developed a sweet smell to attract pollinators.

Over time, corn plants are bred to make larger corn cobs and kernels.

A1500 w electric heater is plugged into the outlet of a 120 v circuit that has a 20 a circuit breaker. you plug an electric hair dryer into the same outlet. the hair dryer has power settings of 600 w, 900 w , 1200 w, and 1500 w. you start with the hair dryer on the 600 w setting and increase the power setting until the circuit breaker trips. under what setting does the circuit breaker trip.