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 Moter bike its effect Dynamics [ edit ] Racing motorcycles leaning in a turn Main article:  Bicycle and motorcycle dynamics Two-wheeled motorcycles stay upright while rolling due to a physical property known as  conservation of angular momentum  in the wheels. Angular momentum points along the axle, and it "wants" to stay pointing in that direction. Different types of motorcycles have different dynamics and these play a role in how a motorcycle performs in given conditions. For example, one with a longer wheelbase provides the feeling of more stability by responding less to disturbances. [48]   Motorcycle tyres  have a large influence over handling. Motorcycles must be leaned in order to make turns. This lean is induced by the method known as  countersteering , in which the rider momentarily steers the handlebars in the direction opposite of the desired turn. This practice is counterintuitive and therefore often confusing to novices – and even ma...
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Acids and its effects The Effects of Acid Rain on Ecosystems This figure illustrates the pH level at which key organisms may be lost as their environment becomes more acidic. Not all fish, shellfish, or the insects that they eat can tolerate the same amount of acid. An ecosystem is a community of plants, animals and other organisms along with their environment including the air, water and soil. Everything in an ecosystem is connected. If something harms one part of an ecosystem – one species of plant or animal, the soil or the water – it can have an impact on everything else. Effects of Acid Rain on Fish and Wildlife The ecological effects of acid rain are most clearly seen in aquatic environments, such as streams, lakes, and marshes where it can be harmful to fish and other wildlife. As it flows through the soil, acidic rain water can leach aluminum from soil clay particles and then flow into streams and lakes. The more acid that is introduced to the ecosystem, the more aluminum is r...