Description
300 Level Department of Science Laboratory Technology exam questions and detailed answers. Download the answers in document format. Correct, detailed, and straightforward answers.
Questions:
a. Briefly discuss the importance of dissolved oxygen in surface waters.
b. Water is a natural resource renewed naturally by the hydrological (water) cycle. Explain this with the aid of a diagram.
c. Define the following
i. Biodegradable pollutants
ii. Non-biodegradable pollutants
iii. Water pollution.
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