The scientist would probably use the following steps to restore the dogs' eyesight.
>Since normal gene is carried by harmless virus, scientists inject the virus into the eyes of the blind dogs.
<span>> Virus injected contains normal genes which replace the defective ones. This process is called gene therapy.
> After the process, the dogs can now see.
</span>
A biotic factor is the living part of an ecosystem, to thr answer will be plants.
Science is the study and learning mechanism of the world and how everything is created as well as used today and billion of years ago
The translation is:
<span>I just love the attention I get from all of you for a brief moment when writing these.</span>