Prevencion

“The Contamination”

Dalia: good morning students
Students: good morning master
Dalia: I'll keep quiet young pass lists
Vanessa Ramirez Felix
Margarita Rojo Salvador
Julio Cesar HernandezRoberto Reyes Herbert
Dalia: Today we will see the next issue is pollution.
 What is meant by pollution Vanessa?
It is the presence in the environment of one or more contaminants or any combinationthereof which are detrimental or injurious to health and human welfare, wildlife or degrade the quality of air, water, soil, natural resources general.
Roberto: (opinion) the environment is dangerousfor humans because it contains substances harmful to health. Some people are more susceptible than others, especially children, the elderly and the sick.
Dalia: very well who can tell me what typesof pollution
Margarita: The most important types of pollution are affecting the basic natural resources: air, soil and water.
Julio: Produces more pollution in cities and that there are severalproduction plants that manufacture chemicals
Dalia: Each of you spend here in front of a drawing to explain the types of pollution
Roberto: The water is polluted with oxygen demanding waste mostlyorganic matter whose decomposition produces oxygen loss. Similarly, it is littering pollutes the rivers, detergents and other chemicals.
Vanessa: Air pollution is caused by smoke, aerosols, noise, odorsand atomic radiation.
Margarita: Soil contamination occurs when chemicals are released by a spill or leak on and under the earth. Among the most significant soil contaminants are hydrocarbons such asoil and its derivatives.

Dalia: You believe that pollution can change the world's climate? Yes, pollution can change the temperature of the atmosphere by reducing ozone and carbon dioxideincreased CO2 in the air.
Dalia: How can we combat and prevent environmental pollution?
Margarita: We organize and participate in education and environmental awareness, participating in cleanups and...