| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| closed system examples | 1.87 | 0.4 | 9003 | 32 | 22 |
| closed | 1.39 | 0.9 | 944 | 31 | 6 |
| system | 1.97 | 0.2 | 9507 | 44 | 6 |
| examples | 0.45 | 0.5 | 2404 | 100 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| closed system examples | 1.73 | 0.7 | 1669 | 66 |
| closed system examples science | 0.02 | 0.6 | 6109 | 48 |
| closed system examples in daily life | 1.25 | 0.3 | 5475 | 68 |
| closed system examples environmental science | 1.6 | 0.2 | 2731 | 5 |
| closed loop control system examples | 0.52 | 0.3 | 5755 | 59 |
| closed loop system examples | 1.39 | 0.5 | 8510 | 74 |
| open system and closed system examples | 0.62 | 0.6 | 727 | 42 |
| closed system in thermodynamics examples | 0.4 | 0.6 | 9174 | 1 |
| closed circulatory system examples | 1.92 | 0.7 | 8110 | 7 |
