| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| diffusion and exchange surfaces | 0.26 | 0.3 | 6852 | 37 | 31 |
| diffusion | 0.46 | 0.8 | 6804 | 100 | 9 |
| and | 1.53 | 0.7 | 3300 | 27 | 3 |
| exchange | 0.25 | 1 | 9007 | 70 | 8 |
| surfaces | 0.18 | 0.8 | 5574 | 50 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| diffusion and exchange surfaces | 1.75 | 0.4 | 5092 | 70 |
| exchange surfaces and substances | 1.7 | 0.4 | 9415 | 6 |
| what are exchange surfaces | 1.32 | 0.7 | 3913 | 43 |
| diffusion and surface area | 1.15 | 0.2 | 2527 | 12 |
| what are exchange surfaces in biology | 1.46 | 0.9 | 8244 | 55 |
| diffusion and gas exchange | 0.33 | 0.5 | 2733 | 48 |
| features of exchange surfaces | 0.88 | 0.6 | 766 | 84 |
| gaseous exchange and diffusion | 1.37 | 0.1 | 4193 | 56 |
| where are exchange surfaces found | 1.14 | 0.1 | 8835 | 88 |
| how are exchange surfaces adapted | 1.44 | 0.7 | 7442 | 16 |
| diffusion in gaseous exchange | 1.66 | 0.7 | 6204 | 96 |
| examples of exchange surfaces | 1.44 | 0.3 | 4498 | 21 |
| what is diffuse surfaces | 1.07 | 0.5 | 2416 | 67 |
| exchange surfaces a level biology | 0.66 | 0.3 | 8776 | 9 |
| expansion diffusion and its others | 0.82 | 0.5 | 2108 | 67 |
| diffusion in material science | 0.33 | 0.9 | 9880 | 77 |
| how does the surface area affect diffusion | 1.56 | 0.9 | 7976 | 45 |
