<span>Hearing aids have similar functions, but modern hearing aids have few characteristics that have makes them better that conventional aids. These characteristics are invisibility of the instrument, automatically adjustability to all kinds of soundscapes, and compatibility with computers and smartphones.</span>
        
             
        
        
        
<span>Lepidoptera
Hope this helps.</span>
        
             
        
        
        
With skepticism and open-mindedness, they both revolve around the fact that they don't "confine" themselves in an idea.
However, the difference comes with the means of not confining themselves. With skepticism, you are questioning that idea and essentially, taking that idea with a pinch of salt. With open-mindness, however, you aren't questioning the idea but rather are willing to open yourself to other ideas aside from that singular idea.
Here's an example (it's simplified, but you should understand the difference):
Skepticism: I used to believe in idea A, however after scrutinizing it I'm starting to doubt idea A.
Open-mindness: I believe in idea A, however I want to understand ideas B and C as well.
 
        
             
        
        
        
Answer:
The most appropriate answer would be a)to identify the 3 billion genes that comprise the human genome.
Human genome project was the collaborative international project with the common objective of sequencing the whole genome of a human being and to identify and map all the genes present in the genome.
The project was completed, by sequencing approximately 3 billions base pairs of the human genome.
Later, it was found that only around 20000 protein-coding genes were present in the human genome which was very as compared to the previous estimations (1 million to 50000).