
These particles are unbelievably small. If
you could count the water molecules in one tablespoon of water at the
rate of 1 million molecules every second, it would take you 20 billion
years to count them all!
These particles are unbelievably small. If
you could count the water molecules in one tablespoon of water at the
rate of 1 million molecules every second, it would take you 20 billion
years to count them all!