How many grains of sand in a 1 minute timer?
Related Questions
- If I set the timer for one minute, wait 30 seconds, then push the "1" button again, how long will it take before the timer runs out?
- How are the degree of sorting and the amount of rounding related to the transportation of sand grains?
- How the grains were formed - beach (ocean) versus river sand, river sand versus clay?