B, C, D are compounds, while A and E are just element stand-alones.
That a particular concept- the Alcubierre Warp Drive- might actually be feasible.... the major hurdles and opportunities presented by warp mechanics research
Correct lol, Be nice they favourite ur class nad u bearly get homework
Answer:
genetic material
RNA becoz mRNA takes message of RNA
Please don't.
That would be a nightmare...
