I think the answer is a cell..
The answer is C) Two. Dipolar means there are two magnetic poles charging with the same magnitude but opposite polarity.
The answer is: B) silkworms.
“While sitting in her garden she deduced the secret of silk by watching the silkworms. She developed the process to remove the thread from the cocoon and set up silk cultivation farms and the weaving of the new cloth.” (Source: http://4kyws.ua.edu/SI_LING_CHI.html)
Your answer is true
Hope this helps <3
By their activity in the soul