1 . C H E C K O U T T H E S C ∆ L E O F T H I N G S B E L O W ∆ N D F I N D O U T T H E ∆V E R ∆ G E W I D T H O F ∆ H ∆ I R . SMALL MOLECULE
PROTEIN
VIRUS
BACTERIA
CELL
HAIR
MICROSCOPY
1nm
10nm 100nm 1um
FRUIT FLY
MOUSE
HUMAN
WHALE
NAKED EYE
10um 100um 1mm
20
1cm
10cm
1m
10m
