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Altdorf (UR) is hosting three of the largest companies in Switzerland (Schweiz). | ||
| City: | Altdorf (UR) (See Map below) | |
| Country: | Switzerland (Schweiz) | |
 Homepage: | https://www.altdorf.ch/ | |
| City Id: | 14510 | |
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Altdorf (UR) in Switzerland (Schweiz)
(#)The daily puzzle:
What does '*****' mean in the following text?
"***** consists of particles in the atmosphere that come from various sources such as soil dust lifted by weather (an aeolian process), volcanic eruptions, and pollution. ***** in homes, offices, and other human environments contains small amounts of plant pollen, human and animal hairs, textile fibers, paper fibers, minerals from outdoor soil, human skin cells, burnt meteorite particles and many other materials which may be found in the local environment."
The answer and more