Um...God.
An alien! (=
Johann Vaaler invented the wire paper clips
The paper clip was not discovered. It was invented.
It is unknown when the sand timer, also known as the hourglass, was invented. There are records of sand timers being used as early as the 1300s when they were a preferred timepiece for sailing, as other forms of keeping time were not reliable on the swaying ships.
Flint stones.
sand paper is paper but instead of trees they use sand from the beach. sand paper is made out of sand and paper. BYE~*~*~
No, sand paper is rough.
SAND PAPER IS PAPER MADE UP OF DRY SAND AND OTHER CHEMICALS THANKYOU * Nicole jhonson *
no
sand paper increases friction, that is to say that it is harder to slide something on sand paper than it is on a smooth surface.
Sometimes you need sand paper to strip wood from furniture.
1. Who invented paper?
from rubbing this sand paper we get more friction in magnesium
Glass paper is made of glass and is more rough and sandpaper is made of sand which is less rough
Garnet paper IS sandpaper -_-
the Han Dnasty invented paper:)