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) Define environmental pollution.
b) Based on environmental medium, list the types of pollution you know.
c) Explain the different entryways of pollutants.
d) Mention four (4) sources of water pollution.
e) List and briefly explain five (5) parameters used to assess water quality.
DOWNLOAD THE ANSWER BELOW


![An immersion heater rated 2.0A; 240V is used to boil water from temperature 52°C to 100°C. If the mass of the water is 2.5kg. determine the time taken to boil the water. [specific heat capacity of water = 4.2 x 10³ jkg−¹ k−¹ ] past-questions-and-answers](https://erudites.ng/wp-content/uploads/2020/06/past-questions-and-answers-150x150.jpg)

