a) Describe the methods of soil sampling. How can you find out the silicon and nitrogen in soil samples?
b) Describe the principles of weathering. prepare some of the effects of temperature, water and air on weathering.
a) describe the sources and emission of carbon monoxide and the oxides of nitrogen. prepare the analytical procedure for the determination of carbon monoxide.
b) What are the causes for acid rains? Describe their effects. Describe the effects of air pollution with respect to radioactive pollutants.
a) Describe the effects of detergents and pesticides with regard to water pollution.
b) Describe the causes for domestic water pollution and prepare the effects of water pollution to the agricultural and shipping industries.
a) How can you find out BOD, COD and phosphates in the water samples?
b) describe the primary and secondary methods of the treatment of water.