I think it is Ag and Au but not two sure
I think the scientist distinguish whether an entity is living or non living be describing the single unit of life, the live cell that could multiply, reproduce and generate trough time also through ages. I hope you are satisfied with my answer and feel free to ask for more
C. Medusa. Everything else on the list is a part of another creature, medusa is the only cnidarian here!
<span>When your cells go through cellular respiration what is produced from this process? I think its osmosis. </span><span />