Which of the following safety devices provides a weak link in a circuit that will melt if it received too much current, thus breaking the circuit and stopping the flow of electricity? (1 point)
a. circuit breaker
b. fuse
c. gfci
d. insulation

a and c

c is 100% but i am confused in a

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.