Explain using appropriate examples, how the environmental classification of excretarelated diseases may help engineers to meet the UN Millennium Development Goals for improved water supply and sanitation.

Question 1

Explain using appropriate examples, how the environmental classification of excretarelated diseases

may help engineers to meet the UN Millennium Development Goals for improved water supply and

sanitation.

Question 2

Critically evaluate the ways in which the human body is able to protect against infection by

pathogenic organisms using ‘specific’ and ‘nonspecific’ defences. Provide examples to support your

answer.

Question 3

Critically compare alternative scenarios for the impact of climate change on patterns of waterrelated

infectious disease in both developed and lessdeveloped countries.

Answers

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Explain using appropriate examples, how the environmental classification of excreta­related diseases may help engineers to meet the UN Millennium Development Goals for improved water supply and sanitation.