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.
200
poop
Earthworms vary greatly in their length.
1.5 meters
maybe about 1/4 of an inch
about 70feet long
Seven inches.
5milimimeter
20 centimeters
10centimmeters
4inches
Earthworms vary greatly in their length.
1 meter
12mm
300 feet
About 4 millimeters
9 cm
21 feet
2 centimeters