Final answer:
A complete waste reduction, collection, composting, recycling, and disposal system in a city is called municipal solid waste system.
Step-by-step explanation:
The correct answer is option B - Municipal solid waste. A complete waste reduction, collection, composting, recycling, and disposal system in a city is known as a municipal solid waste system. This system involves managing and processing various types of everyday waste materials, such as trash and garbage discarded by the public. It includes activities like waste reduction, collection, composting, recycling, and proper disposal to minimize the amount of waste ending up in landfills and incinerators, promoting a cleaner and safer environment.
The correct answer to what is called a complete waste reduction, collection, composting, recycling, and disposal system such as the one in the city of Kristianstad is not provided in the options. However, such a system is generally referred to as an integrated waste management system. This system is designed to manage municipal solid waste (MSW) in a comprehensive manner with the goal of minimizing environmental impact and maximizing waste diversion from landfills. Kristianstad's approach is one example of how cities can reduce their ecological footprint by focusing on recycling, composting, and energy recovery, transforming waste into resources wherever possible.