Environmental problems: acid rain Elza Lutt 10.a What is acid rain? • Acid rain is a rain or any other form of precipitation(sademed) that is unusually acidic, meaning that it has elevated levels of hydrogen ions (low pH). What is it caused by? Wet deposition- niisked sademed Consequences of acid rains • forests, freshwaters(mageveekogud) and soils • Kills insect and aquatic life-forms • Paint peels off from buildings etc. • Corrosion(söövitus) of steel structures • human health What can be done to decrease acid rains • curbing the release of the pollutants(saasteained) References • https://en.wikipedia.org/wiki/Acid_rain • https://www.nationalgeographic.com/environment/ global-warming/acid-rain/ • https://www.crestawards.org/site-content/uploads /2016/10/Monitoring-acid-rain1-1-1024x675.jpg • http://envis.tropmet.res.in/kidscorner/KidsCorn...
Tähtsamad veoloomad on kaamelid ja eeslid, kasutatakse ka hobuseid ja muuli. Suurtööstust ei ole. Töötlev tööstus piirdub ainult mõne tekstiili-, õmblus-, naha-, jalatsi-, ehitusmaterjali-, keemia- ja toiduainetetööstuse ettevõttega. Kasutatud kirjandus 1. Tea entsüklopeedia 1. köide 2. Üldajalugu 1939-1991 3. http://4.bp.blogspot.com/_apzkSrgHLcc/R7oFPzdkK7I/AAAAAAAAABE/I0T7BlAQex Q/s400/Afganistan.GIF 4. http://www.marshu.com/images-website/funny/new-afganistan-war-map.jpg 5. http://static.lonelyplanet.com/worldguide/images/BN2256_8.jpg 6. http://et.wikipedia.org/wiki/Afganistan 7. http://www.rue89.com/files/20080810Afganistan2.jp
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