Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
handbook of nature study by anna comstock | 1.16 | 0.3 | 7603 | 27 |
the handbook of nature study | 0.35 | 0.8 | 2749 | 64 |
handbook of nature study pdf | 1.43 | 0.4 | 4988 | 36 |
the book of nature study | 1.01 | 0.9 | 111 | 71 |
handbook of nature study comstock | 0.81 | 0.7 | 5030 | 2 |