A kilometer is a unit of length, not of mass. So, it is impossible for something to "weigh a kilometer".
lalalalalalala
A meter ruler
a train can be a kilometer long. A bridge or road could also be. This question is just too vague.
Car boat
I am the one needing an answer!! what is an example of something that is 66 feet long (or 200 yards long)?
An example of something a micrometer long is the proteins in a cell. These are the small things in the cell that have a huge impact.
A kilometer is a unit of length, not of mass. So, it is impossible for something to "weigh a kilometer".
guitar
Think of it as twice the size of Texas (and that makes it really big.) It has 1,600 kilometer coastline for example.
The house we found to rent is about a kilometer from the college. (A kilometer is 1000 meters long)
A meter is 1/1000 of a kilometer (there are 1,000 meters per kilometer).
width of hair.
answer: a meter stick
lalalalalalala
A meter ruler
5 kilometer long and 2 decemeter wide