the letter E
The letter e.
The tick of a clock or the letter "E"
The letter n
This is a blue moon. It happens very rarely, once every two to three years or so.
Earth rotates approximately once every day. More accurately, once every 23h56m.
No. The Earth orbits the Sun once in 365.24 days
Once in a blue moon is every 2 and 1/2 years.or, as google would put it,once in a blue moon = 1.16699016 × 10-8 hertz
Once.
The letter n
Letter "m"
you can only die once, silly but thousands of people die every second.
The letter "m".
The wave that has a crest every second has a greater frequency.
The letter 'M'.
The letter 'M'.
The letter "m" :DOnce in a minute, twice in a moment, and never in a second.
The letter "e." The letter "n."
Letter " m " ^_^ - > christian
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