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A typical blackboard is about 2 meters in length.
Earthworms vary greatly in their length.
1.5 meters
maybe about 1/4 of an inch
about 70feet long
A typical blackboard is about 2 meters in length.
About 15 feet long.
10centimmeters
4inches
Earthworms vary greatly in their length.
It could be either one. I'd have to see the blackboard. If it's 10m, it's in a very large room. If it's 10cm, it's a very tiny blackboard.
1 meter
12mm
300 feet
About 4 millimeters
about 5 inches
9 cm