I really don't know but don't think there's a good reason.
they were distroyed by the intense heat
Because Venus has no oxigen
I Did A Project On It. They Only last A Few Hours
Only a few hours, then dispose of them..
Some can last only a few days (a few hours in extreme cases) while others can last a few years or even forever, as some couples get married.
It is possible, but extremely rare. A typical tornado lasts only a few minutes, but a handful have been known to last two to three hours.
Asthmatic attacks may last only a few minutes or can go on for hours or even days
No. A typical hurricane lasts several days, and some last for weeks. A typical tornado only lasts a few minutes, and some last only a few seconds. On very rare occasions a tornado may last a few hours.
The northern lights typically last for a few minutes to several hours, depending on the intensity of the aurora display and the geomagnetic activity. Strong auroral displays can last for several hours, while weaker displays may only be visible for a few minutes.
The battle was fought on 21 October 1805. It only lasted for a few hours.
Temporary amnesia can last from an hour too a few days
No, the longest a tornado has been known to last was about 3 and a half hours.