The Lazy River Environmental Group organized a major cleanup of the pollution from the old factory in late 2010. Measurements of pollution in river sediments before and after the cleanup were analyzed to determine the effectiveness of the cleanup. Select the Sediment Pollutant Over Time dataset and follow the interactive to graph the data. What statement best describes the results of the clean up?

____________________ refers to the sea floor where the community is strictly heterotrophic.

Write Five Natural Sources of beautification things such as aloe vera etc,and write their specific activity and uses.  please write at your own words.

Sewage disposal and ________________ are the two main forms of water pollution in the world's coastal areas, according to a comprehensive UN report.

With biological magnification, the highest pollution load will be in

3. (a) Comparing the culture-dependant (e.g., colony forming units count) and DNA- based (e.g., PCR) bacterial number quantification methods, what are the primary disadvantages of using culture-dependent methods to quantify bacterial numbers in an environmental sample? Use no more than three sentences or bullet points to present your answer succinctly.

In order to achieve systematic process of material management, what are the things the need to be done?  Justify your answer, site examples if possible.

Contamination in groundwater has no risk of getting into the surrounding environment because groundwater is stable and stays in place. True False

For what indigenous water saving method used for?

Activated sludge method removes BOD Nutrients Inorganic chemicals. Bacteria Question 15 Hazardous wastes can be disposed of using Incinerator Injection well Landfill All of the above Question 16 According to the EPA, wastes are classified as hazardous if They are included on the F, K, P, or U lists They are toxic, corrosive, ignitable, or reactive They contain radioactive materials. All of the above D Question 17 The largest source of municipal solid waste is. Plastics O Paper and paperboard products Food O Glass