| Questions | Answers |
|---|---|
| The basic and most important quality of something. | |
| Relating to trade, industry, or money. | |
| The scientific study of the universe, stars, and planets. | |
| To form an opinion or reach a decision after thinking. | |
| To believe something is true without proof. | |
| A typical quality or important part of something. | |
| Using devices or systems that operate through electricity. |