Lega (river)
Lega is a river in Poland, a right tributary of the river Biebrza. It flows through a number of lakes on the border of the Warmian-Masurian and Podlaskie Voivodeships. Its source is near the village of Szarejki.
| Lega | |
|---|---|
 | |
| Location | |
| Country | Poland |
| Physical characteristics | |
| Mouth | |
• location | Biebrza |
• coordinates | 53.5207°N 22.8028°E |
| Length | 157 km (98 mi) |
| Basin features | |
| Progression | Biebrza→ Narew→ Vistula→ Baltic Sea |
Geography
It passes through the Great Olecko Lake and the Small Olecko Lake at Olecko, and flows into the lake Selmęt Wielki east of Ełk. It continues to the lake Stackie, which is connected with the lake Rajgrodzkie, under the name Małkiń. It flows out of Rajgrodzkie at Rajgród, and continues under the name Jegrznia. It passes through the lake Dręstwo and flows into the Biebrza near Goniądz.
gollark: For the first one, the half life is 30 years and the time is 90 years. So it's 3 half lives (90/30) so its mass halves 3 times, so the mass at the end is 1\*(1/2)\*(1/2)\*(1/2)=1\*(1/2)³=0.125.
gollark: It's how long it takes for half of the atoms in a thing of radioactive isotope to decay.
gollark: Just work out how many half lives the given time is, then divide the starting mass by 2 to the power of however many half lives it is.
gollark: Sounds more like physics.
gollark: There were Cult Wars yesterday, don't worry about it.
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