This question isn't really finished, but bacterium are unicellular prokaryote.
I hope this helps?.. :S
Answer:
a meter or more
Explanation:
The main function of the nerve cells is to send a signal from the brain to other parts of the body, or vice versa. The longest nerve cell would be the one who connects the brain with the receptor in your toe. This mean nerve cell length can be as long as the human height. If the human is 6 feet tall in life, that will be about 1.8m tall.
Fog begins to form when water vapor condenses into tiny liquid water droplets that are suspended in the air.
Any theory that the structure of the solar system in which earth is assumed to the centre of it all.
hope this helps <3