Final answer:
Polyethylene is the nondurable plastic commonly used for making single-use caging and shipping containers, as well as packaging materials like plastic bags and bottles.
Step-by-step explanation:
The nondurable plastic commonly used to make single-use caging such as shipping containers or caging for studies involving radioactive materials is polyethylene (A). Polyethylene is the most common plastic and is extensively used for a variety of products due to its versatility and durability. It is predominantly utilized in packaging, with a wide array of applications ranging from plastic bags, plastic films, and containers including bottles. The properties of polyethylene can vary depending on the length of its polymer chains and how tightly they pack together, allowing it to be adapted for products that require different levels of flexibility and strength.