Answer:
The chemical senses include taste and smell. The perception of a smell occurs when substances in the air pass through the nose and stimulate the olfactory (smell) nerve. The experience of taste, or gustation, occurs when the taste buds in your mouth respond to substances dissolved in saliva.
Explanation:
Telephones made it easier for people too communicate with each other in different areas or across the world
It is the serous membrane
The necleus has a positive charge because the proton's are found there