| Answer | Crossword Clue |
|---|---|
| MARGINALUTILITY | Subject of theory in economics. |
| ATOM | Subject of Bohr's theory |
| UFO | Subject of many a conspiracy theory |
| UFO | Subject of a tinfoil hat theory |
| ATOM | Bohr theory subject |
| ATOMS | Quantum theory subject |
| PENTATONICSCALE | Music theory subject |
| FBI | Conspiracy theory subject |
| ATOM | Quantum theory subject |
| AREA | ... 51 (conspiracy theory subject) |
