The number of pages it has, the number of words it contains, thickness of the book, weight of the book, time it takes to read it, etc.
Earthworms vary greatly in their length.
maybe about 1/4 of an inch
about 70feet long
4-5 1/2 meters
Seven inches.
5milimimeter
20 centimeters
4inches
Earthworms vary greatly in their length.
300 feet
About 4 millimeters
1 meter
12mm
9 cm
About 20 to 40
21 feet
2 centimeters