Spores
Dust
Spores and Pollen
Spores and Dust
Spores, Dust, and Pollen
Pollen
All of the above
Robbery
Terrorism
Homicide
Faked or forged documents and artwork
Fake prescription drugs
Light and SEM microsope
All the above
Scanning Electron Microscope (SEM)
Light microscope
Magnifying glass
A week
Millions of years
Hundreds of years
Thousands of years
Hay fever gets its name because most people are allergic to it?