After use, non-biodegradable plastics last for many years in sites. Many also pollute the ocean.

Land fill

Explanation:

A landfill is a carefully managed waste disposal site. It is the oldest method of waste disposal. In a dumpsite, biodegradable materials decay overtime.

However, non-biodegradable materials such as plastics and other polymers tend to last many years in landfills. This category of wastes pose a great threat to the environment.

a. they are both space stations

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