Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
nobel prize chemistry ozone layer 1995 | 1.95 | 0.3 | 1532 | 40 |
algor was ozone nobel prize | 0.87 | 0.4 | 7166 | 86 |
nobel prize in chemistry 1993 | 0.96 | 0.8 | 8704 | 95 |
when was ozone layer discovered | 0.49 | 0.6 | 1347 | 45 |
ozone layer project pdf | 1.46 | 0.4 | 891 | 36 |
history of ozone layer | 1.54 | 0.6 | 4072 | 7 |
introduction of ozone layer | 0.69 | 0.3 | 2967 | 51 |
when was the ozone layer created | 0.62 | 0.8 | 7294 | 40 |
ozone layer case study | 0.81 | 0.1 | 3018 | 91 |
year of the modern ozone layer | 0.03 | 0.2 | 8349 | 78 |
history of ozone layer depletion | 0.53 | 0.2 | 9014 | 74 |
ozone layer hole history | 0.9 | 0.1 | 9472 | 39 |
creation of the ozone layer | 0.44 | 1 | 6020 | 68 |
history of the ozone | 1.37 | 0.6 | 1486 | 8 |
discovery of ozone layer | 1.59 | 0.3 | 1825 | 83 |
what created the ozone layer | 0.57 | 0.5 | 2052 | 27 |
ozone layer was discovered by | 1.97 | 0.3 | 1078 | 60 |
how was the ozone layer created | 0.38 | 1 | 921 | 4 |
who discovered ozone layer | 1.36 | 0.9 | 560 | 42 |
what era did the ozone layer form | 0.2 | 0.3 | 6449 | 33 |
how was the ozone layer originally formed | 0.71 | 0.4 | 7793 | 92 |
how was ozone layer formed | 0.09 | 1 | 6914 | 67 |
ozone layer through the years | 1.73 | 0.5 | 6714 | 96 |