| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| best high school biology textbook | 0.9 | 0.8 | 3956 | 22 |
| high school biology textbook | 0.67 | 0.9 | 9024 | 75 |
| best biology book for high school students | 0.94 | 0.6 | 3313 | 70 |
| high school biology textbook online | 1.97 | 0.1 | 1018 | 94 |
| best biology books for high school | 0.01 | 1 | 5532 | 67 |
| biology textbook high school pdf | 1.65 | 0.7 | 4667 | 84 |
| high school biology textbook online free | 0.8 | 0.3 | 5657 | 86 |
| high school biology books | 1.32 | 0.6 | 468 | 66 |
| free high school biology textbook pdf | 0.12 | 0.5 | 5928 | 16 |
| biology high school book | 0.75 | 0.7 | 8645 | 22 |
| best college biology textbook | 1.14 | 0.9 | 8567 | 45 |
| best biology textbook for university | 0.45 | 0.1 | 7012 | 40 |
