Which of the following units of length would be most appropriate for measuring the distance between los angeles and las vegas?
a. centimeter
b. millimeter
c. kilometer
d. meter

option a is correct i.e.

explanation:

in context to the membrane of nerve impulse, the outer membrane of neuron is semi permeable that is only sodium ions can pass through the membrane i.e. smaller ions can pass through the membrane while larger ions cannot pass through it.

ok yes, but what is the question? as soon as you ask the actual question i will answer it. : )