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