Final answer:
Prefixes add meaning to words. Examples include autonomous, degrade, midlife, and renewable.
Explanation:
Prefixes are added to the beginning of words to change their meaning. Let's analyze the words:
- Autonomous: The prefix 'auto-' means self; 'autonomous' means having the ability to function independently.
- Degrade: The prefix 'de-' means down or away; 'degrade' means to lower in quality or character.
- Midlife: The prefix 'mid-' means middle; 'midlife' refers to the period in someone's life around the middle age.
- Renewable: The prefix 're-' means again; 'renewable' refers to resources that can be replenished or replaced.
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