| Distance increases 5cm | 0 |
| Distance increases 4cm | 1 |
| Distance increases 3cm | 2 |
| Distance increases 2cm | 3 |
| Distance increases 1cm | 4 |
| No change in the distance | 5 |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.