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"acidic" - 28 õppematerjali

14
doc

Education

We will lose another 72 square miles to encroaching deserts, as a result of human mismanagement and overpopulation. We will lose 40 to 100 species, and no one knows whether the number is 40 or 100. Today the human population will increase by 250,000. And today we will add 2,700 tons of chlorofluorocarbons to the atmosphere and 15 million tons of carbon. Tonight the Earth will be a little hotter, its waters more acidic , and the fabric of life more threadbare. The truth is that many things on which your future health and prosperity depend are in dire jeopardy: climate stability, the resilience and productivity of natural systems, the beauty of the natural world, and biological diversity. It is worth noting that this is not the work of ignorant people. It is, rather, largely the result of work by people with BAs, BSs, LLBs, MBAs, and PhDs. Elie Wiesel made a s...

Inglise keel - Keskkool
123 allalaadimist
7
doc

Canada

Typical animals for the Tundra are musk oxen, elks, moose, lemmings, wolves and foxes. The Taiga biome, also known as coniferous forests is located south of the Tundra region. Taigas are the largest biomes on Earth and they are a major source of oxygen. The Climate there is cold and harsh. Precipitation is low. The growing season is short. Only deciduous trees can grow there since the soil is acidic . Some typical animals are brown bears, foxes, geese, lynxes and moose. Prairies are temperate grassland. They consist of plains of grass that are hot in the summer and cold in the winter. Prairies are made by fires. The soil is rich and the precipitation is medium. The area has very few trees or shrubs so it is very windy. Typical animals are bobcats, antelopes, snakes, rodents, rabbits, badgers, bisons. Prairies are located in Alberta, Saskat...

Inglise keel - Põhikool
92 allalaadimist
4
doc

Kanada referaat

The Tundra is located near the Arctic region. It's permafrost and desertlike. Some of the plants that can survive are lichens and mosses. Typical animals are musk oxen, elks, moose, lemmings, wolves and foxes. The taiga biome, also known as coniferous forests is located south of the Tundra region. They are major source of oxygen. The climate is cold and harsh. The soil is acidic so only deciduous trees can grow there: like hemlocks, pines, larches, spruces and firs. Typical animals are brown bears, foxes, geese, lynxes and moose. Prairies are temperate grasslands. The consist of plains of grass that are hot in summer and cold in the winter. They are made by fires. The soil is rich so prairies are used for agriculture. Some animals that live there are: bobcats, antelopes, snakes, rodents, rabbits, badgers and b...

Inglise keel - Keskkool
37 allalaadimist
2
doc

Universaalindikaatori värviskaala

If a solution is neutral, it is neither acidic nor alkaline. Indicators are substances that change colour when they are added to acidic solutions or alkaline solutions. You can prepare homemade indicators from red cabbage or beetroot juice - these will help you see if a solution is acidic or alkaline. Litmus and universal indicator are two indicators that are commonly used in the laboratory. Litmus...

Mullateadus - Eesti Maaülikool
115 allalaadimist
6
doc

Topic - Canada

The growing season is 50-60 days and that's why there are plants like mosses and lichens. Typical animals are musk oxen, elks, moose, lemmings, wolves and foxes. The Taiga biome, also known as coniferous forests is located south of the Tundra region. Taigas are the largest biomes on Earth and they are a major source of oxygen. The climate is cold and harsh with low precipitation and a short growing season. The soil is acidic and only deciduous trees can grow there like hemlocks, pines, larches, spruces and firs. Some typical animals are brown bears, foxes, geese, lynxes and moose. Prairies are temperate grasslands which consist of grass plains that are hot in summer and cold in winter. Prairies are made by fires. The soil is rich and precipitation is medium and because of that prairies are used for agriculture. Common agriculture plants are oats, rye, barl...

Inglise keel - Põhikool
27 allalaadimist
9
doc

Topic - Canada 2

Typical tundra animals are musk oxen, elks, moose, lemmings, wolves and foxes. The Taiga biome, also known as coniferous forests is located south of the Tundra region. Taigas are the largest biomes on Earth and they are a major source of oxygen. The climate is cold and harsh with low precipitation and a short growing season. The soil is acidic and only deciduous trees can grow there like hemlocks, pines, larches, spruces and firs. Some typical animals are brown bears, foxes, geese, lynxes and moose. Prairies are temperate grasslands which consist of grass plains that are hot in summer and cold in winter. Prairies are made by fires. The soil is rich and precipitation is medium and because of that prairies are used for agriculture. Common agriculture...

Inglise keel - Põhikool
21 allalaadimist
4
sxw

Temperate deciduous forests, woodlands and shrub

Temperate deciduous forests, woodlands and shrub Tartu 2008 Location: Temperate forests are typical of all European continent, the Eastern region of Asia (in special, Chinese and Japan) and North America. Also are finded in tempered areas of South America. Climate: The average temperature in temperate forests is 50° F. Summers are mild, and average about 70° F, while winter te...

Inglise keel - Põhikool
4 allalaadimist
1
doc

Estonian national dish

It has a long shelf-life and a distinctive sour flavor, both of which result from the lactic acid that forms when the bacteria ferment the sugars in the cabbage. It is therefore not to be confused with coleslaw, which receives its acidic taste from vinegar. People of Estonia like sauerkraut very much. They definitely a great dish for Christmas, because it`s really good to eat it with potatoes or something like that. To make sauerkraut yourself you need to have: 1 kg sauerkraut, 700 g slightly salted pork, 100 g barley grits, 2 tomatoes, salt. This is how you can do it: Boil the sauerkraut in a little water, on the top place the washed barley and the meat. Stew until soft, st...

Inglise keel - Põhikool
17 allalaadimist
26
ppt

Maakera koostis

Humiinhape Keemiline valem Humiinhape Humic acid has the average chemical formula C187H186O89N9S1 and is insoluble in strong acid (pH = 1). One of two classes of natural acidic organic polymer that can be extracted from humus found in soil, sediment, or aquatic environments. The process by which humic acid forms in humus is not well understood, but the consensus is that it accumulates gradually as a residue from the metabolism of microorganisms. Transition and heavy metals--for example, Fe3+ or Pb2+--as well as other compounds having aromatic or hydrophobic (water-insoluble) chemical structures (i.e., o...

Geograafia - Keskkool
6 allalaadimist
8
pptx

Acid rains

Acid rains Stefani Nimtsuk What is acid rain? Rain or any other form of precipitation that is unusually acidic It can have harmful effects on plants, aquatic animals, and infrastructure through the process of wet deposition Acid rain is caused by emissions of compounds of ammonium, carbon, nitrogen, and sulfur which react with the water molecules in the atmosphere to produce acids History Since the Industrial Revolution, emissions of sulfur dioxide and nitrogen oxides to the atmosphere have increased In 1852, Robert Angus Smith was the first to sh...

Inglise keel - Keskkool
8 allalaadimist
1
docx

Acid rains üldine kokkuvõte

It can have harmful effects on plants, aquatic animals, and infrastructure through the process of wet deposition. Acid rain is caused by emissions of compounds of ammonium, carbon, nitrogen, and sulfur which react with the water molecules in the atmosphere to produce acids. Governments have made efforts since the 1970s to reduce the production of sulfuric oxides into the Earth's atmosphere with positive results Since the Industrial Revolution, emi...

Inglise keel - Keskkool
7 allalaadimist
1
doc

ENVIRONMENTAL PROBLEM

It is caused by airborne acidic pollutants and has highly destructive results. Scientists first discovered acid rain in 1852, when the English chemist Robert Agnus invented the term. From then until now, acid rain has been an issue of intense debate among scientists and policy makers. Acid rain, one of the most important environmental problems of all, cannot be seen. The invisible gases that cause acid rain usually come from automobiles or coal-burning power plants. Aci...

Inglise keel - Keskkool
20 allalaadimist
2
doc

Infovoldik maikellukesest

It and diarrhea. became a favourite flower of the Elizabethans Requirements: who used it to perfume the air. It is also mentioned in some texts about flowers that Lily Soil Type - Sandy loam to clay soils of the Valley was used to make a drink that Soil ph - neutral to slightly acidic became known as 'Aqua Aurea' which was Water - moist to dry believed to help boost the memory as well as Light - Full Shade to full sun treat heart conditions. Apollo is said to have given the lily of the Characteristics: valley as a gift to Aesculapius, the Greek god of healing. During the First World War it was u...

Inglise keel - Keskkool
10 allalaadimist
5
doc

Acid rain

Miina Härma Gymnasium Acid Rain Report Compiler: Teisi Timma 8a Teacher: Esther Linask Tartu 2009 Acid Rain Acid rain is rain consisting of water droplets that are unusually acidic because of atmospheric pollution - most notably the excessive amounts of sulfur and nitrogen released by cars...

Geograafia - Põhikool
6 allalaadimist
309
pdf

Upstream intermediate b2 teacher's book

or the world i. travelling were discovered o,":i by a a rth ri ti s;a ;';;'1 ; r3unctthat his waters''"Ji,r.lll'-u':"t bathingin the rh. P';;;;';a.iijp'''s becamekriownas rne Water acidic.;;";;_rr?il rhepriestSpringis frorr deepbeloil;:'r"#jle volcanic rJck ,.urrf.t11^t-t, t earrh, :f^'h varresfrom 3?.r_ i, ,o, "r,,1,,,Jil.0f;UH; rIkaIi, comes " ",,";"^jnd B1 ..tri..,rr:::i:ai.:-rii:.rtilii,::..,:,:ri:.:!ii.:::ir:..:i-i,:Lli.:...

Inglise keel - Keskkool
214 allalaadimist
3
docx

Acid Rain

It possesses elevated levels of hydrogen ions(it has low pH level). Acid rain is caused by emissions of carbon dioxide, sulfur dioxide and nitrogen oxides, which react with water molecules. Distilled water(doesn't contain CO 2), has pH level 7. Liquids with pH level less than 7 are acidic, liquids with pH level greater than 7 are alkaline. Unpolluted rain has a pH level over 5.7, so it is slightly acidic. Affected areas Places significantly im...

Keemia - Põhikool
3 allalaadimist
2
doc

Geograafia KT-8.klass

Where is prairie, pampas, steppe, and veldt situated? Eurasia­Steppe, North America-Prairie, South America­Pampa, South Africa­Veldt 3. Using the climate diagram describe the climate of the region. Temperate deciduous forest -Well-defined seasons with a distinct winter characterize this forest biome. Moderate climate and a growing season of 140-200 days during 4-6 frost-free months distinguish...

Inglisekeelne geograafia - Põhikool
4 allalaadimist
309
pdf

Inglise keele õpik

or the world i. travelling were discovered o,":i by a a rth ri ti s;a ;';;'1 ; r3unctthat his waters''"Ji,r.lll'-u':"t bathingin the rh. P';;;;';a.iijp'''s becamekriownas rne Water acidic.;;";;_rr?il rhepriestSpringis frorr deepbeloil;:'r"#jle volcanic rJck ,.urrf.t11^t-t, t earrh, :f^'h varresfrom 3?.r_ i, ,o, "r,,1,,,Jil.0f;UH; rIkaIi, comes " ",,";"^jnd B1 ..tri..,rr:::i:ai.:-rii:.rtilii,::..,:,:ri:.:!ii.:::ir:..:i-i,:Lli.:...

Inglise keel - Keskkool
110 allalaadimist
34
ppt

Geeni ekspressioon: translatsioon ja geneetiline kood

Geeni ekspressioon: translatsioon ja geneetiline kood Geeni väljendus on valk; kui rakul on vaja valku, siis tuleb lugeda vastavat geneetilist koodi. 1. Translatsioon mRNAl oleva info konverteerimine a/h järjestuseks ehk polüpeptiidiks Geneetilise info lugemine kahe etapiline: 1. Transkriptsioon ­ sünteesitakse DNA matriitsil üheahelaline RNA molekul DNA matriitsil Valk ehk pr...

Geneetika - Tallinna Ülikool
11 allalaadimist
10
docx

Soil microflora

Estonian University of Life Sciences Report on Soil Microflora By Katrin Vares Tartu 2013 Introduction The purpose of this report is to define soil microflora and establish the importance of it. Since the microorganisms clearly play an important role in preserving the balance of life, the next objective is to look into factors that influence...

Inglise keel - Tartu Ülikooli Pärnu Kolledž
6 allalaadimist


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