janna has offered her canary, Sammy , a choice of sunflower seed or ground corn for two months. she has observed that Sammy eats more sunflower seeds than ground corn during the two months. she concludes Sammy prefers sunflower seeds over ground corn. what should janna do if she wants to confirm her results

its b

explanation:

there is no change

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.

lets get this bread mom