Define the terms:

(a) Waste

(b) Fly ash

(c) E-wastes

(d) Composting

(e) Mine tailing

Give reasons for the following:

(a) Broken glass utensils are a kind of non-degradable waste.

(b) Landfills are coming up fast near large cities.

(c) Why is municipal sewage first separated into degradable and non-degradable wastes?

List some of the common wastes produced in mining operation and mention how these can be reused.

Describe the procedure usually used to produce compost.