Residents of a Karachi apartment block have audited the rubbish taken to a nearby landfill for one week. Much of it consists of food scraps, plastic packagi...
Question 1 Report
Residents of a Karachi apartment block have audited the rubbish taken to a nearby landfill for one week. Much of it consists of food scraps, plastic packaging and paper. Their council is planning a waste-management scheme that could create jobs while reducing pollution of the Arabian Sea and local drains.
(a) State one problem caused when plastic waste enters drains. [1]
(b) Explain two reasons why separating waste at homes could support sustainable development in Pakistan. [3]
(c) Analyse which would be the more suitable use for food scraps: composting or burning. Give a reason for your answer. [1]
Answer Details
(a) Drains can become blocked / flooding can increase / plastic reaches the sea [1]. (b) Any three: recyclable materials can be recovered [1]; less waste is sent to landfill [1]; recycling or collection can provide employment [1]; less raw material or energy is needed to make new products [1]; separated organic waste can become compost [1]. (c) Composting, because it returns nutrients to soil and avoids smoke or air pollution from burning [1].
Download The App On Google Playstore
Everything you need to excel in your exams
