WATER POLLUTION The causes of water pollution sewage and wastewater; marine dumping; industrial waste; oil pollution; Sewage and wastewater contains urine and laundry waste pollute the environment diseases TREATMENT water treatment plants Stop using toxic household products! Marine dumping garbage-> the oxygen in the water could be depleted bottles, plastics, bags-> can suffocate or choke sea animals TREATMENT cleaning water Do not throw anything into water! Industrial waste toxic chemicals causes also air pollution TREATMENT fit filters to chimneys treatment plants Oil pollution spilled oil spoil drinking water Birds' feathers-> stuck with oil-> drown can blind an animal TREATMENT cleaning water with skimmers Being more careful when tankers trantsport oil! How to prevent water pollution? use water wisely; be careful about what you throw down your sink; environmentally household products; don't throw rubbish...
WATER POLLUTION THERE ARE THREE DIFFERENT WAYS THAT WATER CAN BE POLLUTED. ⦿ Surface Water Pollution - Most common type, you can visually see the pollution floating (plastic containers or oil and gasoline spills). ⦿ Ground Water Pollution – This becomes more relevant as it affects our drinking water. It become infected by toxic chemicals. ⦿ Microbial Pollution – Found in the countries who don’t have the facilities to cure the water so the bacteria and viruses grow in the water. The people have no other way of getting water so they are forced to drink it. WHAT CAUSES WATER POLLUTION? ⦿ Wastewater ⦿ Marine dumping ⦿ Industrian waste ⦿ Radioactive waste ⦿ Oli pollution ⦿ Underground storage ⦿ Global warming WHY IS IT A PROBLEM? ⦿ It causes worldwide disasters and deaths. ⦿ It may not damage our health immediately but can be harmful after long time. ⦿ Industrial waste often contains...
Tööleht nr 4 . Valitud riigi – Suurbritannia majandus. Õpilase nimi: Andmeallikaid kasutades ära unusta viitamist. Arvandmete kasutamisel tuleb lisada ühikud ja aastad. NB! Kui kasutad lisalehti – kinnita/klammerda need töölehe külge . Märkus! Andmed, mis olen kirjutanud kajastuvad enamikes ülesannetes 2008-st aastast. Mõnel üksikul kohal on värskem ja uuendatud materjal 2009 aastast. 1. Millised on Sinu riigi majanduse arengut soodustavad tegurid? Millised takistavad tegurid? Leia/nimeta 2 olulisemat mõlemal juhul. Soodustavad: a. Põllumajandus on intensiivne, palju masintööd, mis on euroopa standartile vastavalt efektiivne, tootes 60% vajaminevast toidust vaid kahe protsendilise tööhõivega kogu riigist. b. Väga suurtes kogustes loodusliku gaasi, sütt ja õli, millega sai temast üks tähtis energia importijaid aastal 2005. Takistavad: ...
Rannu Keskkool Aimar Leesment X klass Ameerika Ühendriigid Juhendaja: Vaike Rootsmaa Rannu 2011 Sisukord Sisukord.................................................................................................................................. 2 Üldandmed.............................................................................................................................. 4 Rahvastik................................................................................................................................ 5 Inimareng.............................................................................................................................. 10 Kaubandus............................................................................................................................ 10 Energiamajandus....................
ENVIRONMENTAL PROBLEMS Our environment is constantly changing. However, as our environment changes, so does the need to become increasingly aware of the problems that surround it. With a massive influx of natural disasters people need to be aware of what types of environmental problems our planet is facing. Current environmental problems make us vulnerable to disasters and tragedies, now and in the future. Unless we address the various issues seriously we are surely doomed for disaster. Current environmental problems require urgent attention. 1. Pollution: Pollution of air, water and soil require millions of years to recoup. Industry and motor vehicle exhaust are the number one pollutants. Heavy metals, nitrates and plastic are toxins responsible for pollution. While water pollution is caused by oil spill, acid rain, urban runoff; air pollution is caused by various gases and toxins released ...
Kordusküsimused 1. Nimetage kurnpüüniseid 2. Kuidas toimub püük kaldanoodaga 3. Milliseid kalu püütakse Eestis põhjanoodaga 4. Iseloomustage tõstevõrguga püüki 5. Milleks on seinnoodal haarad 6. Kuidas orienteerub laev seinnoodapüügil kalaparve ja tuule suhtes 7. Mis asi on jõuplokk 8. Milliseid kalaparve käitumise iseärasusi tuleb seinnoodapüügil arvestada 9. Miks on seinnooda vertikaalne rakenduskoefitsient suurem, kui horisontaalne 1 1. Milline taglastuselement on põhjatraalnooda tunnuseks 2. Milles seisneb põhimõtteline vahe traalnoodaga ja põhjanoodaga püügil 3. Milleks on vaja traallaudu 4. Millise traallaua konstruktsioonielemendi külge ühendatakse vaier 5. Milleks on vaja traalpüügil kaableid 6. Nimeta põhjatraalnooda peamised osad 2 3 §9. Traalpüünised ja Ahtertraalimine t...
Public International Law is a system of law, different from domestic law. Why is this system unique? Usually law regulates relations between people, people and the state etc, PIL regulates relations between states. Thats why PIL is important for international relation students. PIL influences the life of everybody, it doesn't regulate people directly but indirectly (through the decisions of the states), because it's everywhere. It's like air. E.g. when you want to send a letter to Brazil, you put a stamp from your own country and send it from your post office and the letter gets delivered. Why is this so easy, because there are certain international conventions that regulate postal services. E.g. traffic signs are almost the same everywhere, why? Because of certain int conventions that require the states to have more or less unified traffic signs. States apply international regulations to national regulations and they ...
Mõistete seletav sõnastik Abiootilised (keskkonna)tegurid organisme ümbritsevast anorgaanilisest (eluta) maailmast tulenevad ökoloogilised tegurid. Adaptatsioon, adapteerumine organismide või nende osade ehituse või talitluse kujunemine selliseks, st see tagab paremini isendi või liigi säilimise ja populatsiooni arvukuse suurenemise. A. tagajärjel suureneb organismi ja keskkonna kooskõla, tekib võimalus uut tüüpi toidu, uute elupaikade, signaalide jms. kasutuselevõtuks, suureneb organismi elutegevuse tõhusus. A. võib toimuda nii organismi elu jooksul (kohanemine e. isendiline a.) kui ka paljude põlvkondade kestel (kohastumine e. evolutsiooniline a.). A-ks nimet. ka kohastumise tulemust kohastumust. Aerotank aeratsioonikamber, kus reovesi kontakteerub aktiivmudaga või täpsemalt mikroorganismide biomassiga. Mikroorganismid kasutavad reovee orgaanilist ainet oma elutegev...
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