Here’s the completed table with the meanings added:

| Verb | Noun | Meaning |
|-------------|---------------|-------------------------------------------|
| contribute | contribution | The act of giving or adding |
| protect | protection | The act of keeping safe |
| discover | discovery | The act of finding or uncovering |
| observe | observation | The act of watching or noticing |
| occupy | occupation | The act of holding a position or space |
| dedicate | dedication | The act of committing or devoting |
| preserve | preservation | The act of maintaining or keeping safe |
| prepare | preparation | The act of getting ready |
| present | presentation | The act of showing or introducing |
| invent | invention | The act of creating something new |

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