Audio induction is the assistive device which she might find most useful in her having difficulties in hearing during the video call.
<h3>What is Audio induction?</h3>
This is referred to as an assistive listening technology which are used by individuals who have difficulties in hearing.
It is also referred to as hearing loop and comprises of cables which are placed in the area so as to amplify the sound and ensure it is well heard by the affected individuals.
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I do not know exactly what answer you are looking for here considering the fact that there are many differences between the actions of animals and humans. The best answer I would give is that people have a sense of what is wrong and right and decide based on a moral subconscious. Animals act on they need to survive and do not care about acting civilized or what is right and wrong.
B: oral tradition I think hope this helps :)
Because, of how simple the name is people tend to choose the simpler things in life.
If you need more help message me so you don't use your points!