| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| harm of acid rain | 0.02 | 0.8 | 9621 | 26 | 17 |
| harm | 1.56 | 0.1 | 7350 | 80 | 4 |
| of | 1.6 | 0.1 | 1571 | 50 | 2 |
| acid | 1.69 | 0.8 | 4308 | 53 | 4 |
| rain | 0.68 | 0.3 | 4945 | 39 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| harm of acid rain | 1.46 | 0.3 | 5990 | 91 |
| how does acid rain harm human health | 1.12 | 0.9 | 9685 | 67 |
| what is acid rain and what does it harm | 0.16 | 0.4 | 6954 | 28 |
| how does acid rain harm human lungs | 1.91 | 0.7 | 6226 | 25 |
| how does acid rain harm human teeth | 1.37 | 0.1 | 9654 | 61 |
| how does acid rain harm human history | 1.05 | 0.9 | 6571 | 90 |
| how does acid rain harm human hormones | 1.07 | 0.5 | 3075 | 91 |
| how does acid rain harm human heritage | 0.89 | 0.7 | 5071 | 84 |
| how does acid rain harm human health effects | 1.64 | 0.5 | 8846 | 100 |
| how does acid rain harm human health risks | 1.33 | 0.1 | 4403 | 3 |
| how does acid rain harm human health issues | 0.27 | 0.2 | 4024 | 30 |
| how does acid rain harm human health and eyes | 1.96 | 0.4 | 6991 | 34 |
| how does acid rain harm human health and skin | 1.24 | 0.1 | 9818 | 86 |
| how does acid rain harm human health problems | 1.67 | 0.9 | 9931 | 27 |
