I don't have the article to go on so don't hold me to this. But if this is a typical school question the answer would be
She was active on many social media sites.
Answer:
A virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism.
starch, glycogen, and cellulose are all made of chains of AMINO ACIDS?
D. Biology. In forensics, they use DNA-related evidence, and DNA relates to biology.