Question

Which of the following is evidence that matter is too small to be seen without magnification?O Feeling the heat come off the flames of a fireFeeling the grains of salt in between your fingersWatching salt disappear when it dissolves in waterO Watching rain fall from the sky during a thunderstorm

Answer 1

The correct answer is Feeling the heat come off the flames of a fire.

You cannot see the heat but it is there.