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If someone suddenly starts to have regular seizures, they should get medical attention, from a doctor or in a hospital.
No but they go up to the surface every 30 minutes.
It refers to an even which occurs at the frequency of once every 30 minutes and that the times of occurrence are on the whole hour and at 30 minutes (half an hour) past the hour.The first part of the sentence gives the frequency (every 30 minutes) and the second gives the phase shift. The latter is to distinguish its timing from an event which takes place every 30 minutes but at 10 minutes and 40 minutes past each hour
every 30 minutes
Yes
every 30 minutes
every 30 minutes
It moves through 15 degrees every 30 minutes.
Every 30 minutes.
A clock that gain 30 second every hour will gain how many minutes in a day?
"s" is just an abbreviation for "second", as in 5m 30s (5 minutes, 30 seconds).
30 minutes i guess theres only 30 minutes in an half-an-hour.