What season does the Southern Hemisphere experience when Earth and the Sun are in the positions shown? fall

spring

summer

winter

Explanation:

depends on what time when and where

could be spring ,fall ,or summer

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.

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;