(8 marks) 0 9 Assess the extent to which one local scale ecological conservation area that you aqa essay have (10 marks) studied has been successful. The whole unit is then placed in a water container. The stuff you write here shows that you know and understand sociologial theories, concepts and methods. This is another property of water that renders it the ability to moderate temperature. (10 marks) Turn over?
The very purpose of providing different diameter hole is to break up gas mass to form smaller gas bubbles the perforated tube of different diameter. Describe and comment on the variations shown. After mixing the heavy precipitates settle down as sludge at the bottom of the tank are removed from time to time. (8 marks) 1 5 Discuss the consequences of groupings of nations. It is produced by heating the charcoal above 1500 c foe several hours in a burner. The river water flows into the sea. Here is a brief look at both these sources of water: Surface Water : It is found in rivers, lakes, reservoirs, streams, seas and other such sources. Using the perforated tube the fuel consumption remains same as conventional system. The aqua silencers performance is almost equivalent to the conventional silencer. It can be aqa essay also used both for two wheelers and four wheelers and also can be used in industries. The general public on the other hand must use it wisely to ensure that it is not wasted. Silencer weight is more comparing to conventional silencer. Chapter 5 effects OF dissolved gases ON water: The water is a good absorbing medium.
You will be marked on your ability to: use good English organise information clearly use specialist vocabulary where appropriate. This means that ice is lighter than the same volume of water in its liquid state. There is a chance for the water to get enter into the engine cylinder. You learnt some dudes name. So absorb the gases from the engine and release much less position to the environment. Do not leave the water running while washing dishes. The automobile emission contains air pollutants and other species. Many areas around the world are facing water deficit and many more are likely to face this problem in the times to come.
The main contribution of the air pollution is automobiles releasing the gases like carbon dioxide, unburned hydrocarbons etc. On earth, it moves constantly via water cycle. Option 4 World Cities Total for this option: 25 marks 1 0 Study Figure 4, a photograph of a central urban area that has recently undergone redevelopment. These should be controlled to minimum the water pollution. A limit of 10 mg per liters Nitrate is affordable in drinking water. 40 marks) Option 6 2 4 Contemporary Conflicts and aqa essay Challenges With reference to a conflict over the use of a local resource that you have studied, discuss the extent to which all interest groups involved can be satisfied with its outcome. Comment on the extent to which it supports the concept of the North/South divide. Ecology of polluted waters. Charcoal Layer Outer Shell: The whole setup was kept inside the outer shell. Everyone should contribute his/her bit towards saving water. It is used to accomplish several household tasks. Avoid the use of shower while bathing. Option 1 1 9 Plate Tectonics and Associated Hazards To what extent can preparedness and planning mitigate the effects of volcanic hazards?
Cross through any aqa essay work that you do not want to be marked? Industrial Use, industrial use of water includes water used for the purpose of washing, diluting, cooling, transporting, fabricating, manufacturing and processing of various products. Decline in traditional water recharging areas. Around.4 of Earth is covered with water. Around the circumference of the perforated tube a layer of activated charcoal is provided and further a metallic mesh covers.
The water inlet, outlet and exhaust tube was provided in the shell itself. Describe and comment on the changes shown. This mainly because of small sprockets in water molecules, which lowers its amplitude thus, lowers the sound level. Feeding devices are similar to those used in feeding the coagulants. It is very difficult to handle. It is not even good for industrial or domestic use. This system can be safely used for diesel power packs which could be used in inflammable atmospheres, such as refineries, chemicals processing industries, open cost mines and other confined areas, which demands the need for diesel power packs. Non Return Valve flange: A flange joint is a connection of pipes, where the connecting pieces have flanges by which the parts are bolted together.
Water is also used for agricultural purpose and is needed for industrial use. Cover the pools so as to avoid water loss due to evaporation. A small opening is provided at the Top of the container to remove the exhaust gases and a drain plug is provided at the bottom of the container for periodically cleaning of the container. Adhesion is basically waters attraction between molecules of varied substances. Explanation: perorated tube The perforated tube consists of number of holes of different diameters.
The water contamination is found to be negligible in aqua silencer. Ground water is also extracted by digging wells and tube wells. Water Essay 3 (400 words water is derived from various sources. The sulfur gas mixes with water to form hydrogen sulfide, which give rotten egg smell. You DO NOT get credit for just chucking in a name here and there. Control emission and noise in greater level. The sources of water are mainly divided into two categories Surface Water and Ground Water. Here is a look at some of the other causes of water scarcity in India: Traditional techniques of irrigation employed in our country cause a lot of water loss.
By using perforated tube the aqa essay fuel consumption remains same as conventional system. Domestic Use, at home water is used for many purposes. This synthesis of protein and amino acids is effected by Nitrogen. The treatment process is very simple and it requires nearly no skill. Viii (Destructive) IX (Ruinous) X (Disastrous). Not only do they provide water for irrigation but they also play a vital part in the water cycle. Comment on the features of the area shown. It is expansive. Here are essays on water of varying lengths to help you with the topic in your exam. Waters High Heat of Evaporation.