- One ltr of water is 775 times heavier than air.
- In Central Asia, there are 7,000 plant species. Of these, 5400 species are grown in mountainous areas, and the rest grow on plains.
- In Uzbekistan, 4,148 species of plants grow 500 species of cultures, the rest are wild.
- The most "oxygen" producers in the world are needle-leaf forests.