Final answer:
The Signature series Z-fold reduces waste through controlled dispensing, which allows for individual sheets to be dispensed, minimizing unnecessary use and waste. Option b.
Step-by-step explanation:
The Signature series Z-fold aims to reduce waste through the feature of controlled dispensing.
This means that each sheet is dispensed individually, which helps to reduce the number of sheets that are taken and potentially wasted by users.
Unlike options like biodegradable materials or recyclable packaging, which pertain to the composition or afterlife of the product, controlled dispensing focuses on the usage phase by limiting the amount dispensed to only what is needed, thereby reducing excess consumption and waste. So Option b.