Streaking across the sky was a pattern of lights, it could be a helicopter or an airplane.
I have to work on Friday; otherwise, I would love to go to the movies.
The semicolon should go after Friday, because it separates the independent clauses.
I personally would choose B.. But that might be wrong..
Answer
The topic of Human Biology and the Society
Explanation
According to the credentials and background, Gregory Stock can write on topics that <u>apply social science and humanity to invention programs in the field of biology, biomedical and health science as connected to the society. </u>The writings can cover consolidated topics on social, ethics and sociology with more focus on biomedicine and biotechnology. <em>For example, He can write about society and genetics which can cover understandings and investigations on complexity of genetics in the context of society </em>