If you drive with no antifreeze in your radiator you could ruin the motor. At a minimum you would probably blow a head gasket. The worse thing that can happen is that the motor will freeze up.
Time period = 1 / frequency. Frequency = 1 / time period. When frequency increases, the period decrises.
Most likely just an irregular period.
After a period of time it decomposes and after long period of time it may even become dirt.
I usually change it when I do the oil. But it would depend on how much you drive and how you drive. If its no longer green/orange probably time to change it. The cleaner you keep it the better the run.
Nothing happens seven years after a girl has her period. There's nothing specific about this length of time.
It gets cold
lowers the frequency.The period is the time for one complete wave
if at the same time? They Die.
It turns blue.
They Will die
When something happens over a long period of time