HELPP PLEASEEE Which issue is not a challenge an organism encounters? A getting energy

B reproducing

C maintaining structure

D regenerating arms

Carbon 14 is a naturally occurring stable

Awave with a frequency of 500 hz is traveling at a speed of 100 m/s.what is the wavelength?

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.