Tyler and Eric agree that spiders have eight legs, but Tyler thinks spiders are scary and gross, while Eric finds them nice and interesting. What explains the differences between what Tyler thinks and what Eric thinks?

the answer is b. 0; 4

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.