| 100% | IONOSPHERE | 10 | Layer of the earth's atmosphere that lies above the mesosphere |
| 56% | TROPOSPHERE | 11 | Lowest layer of the Earth's atmosphere |
| 51% | ARGON | 5 | Inert gas that's about 1% of the Earth's atmosphere |
| 51% | ARGON | 5 | Noble gas that makes up almost 1% of the Earth's atmosphere |
| 51% | ARGON | 5 | Noble gas that makes up nearly 1% of the earth's atmosphere |
| 46% | OZONE | 5 | Layer of the Earth's stratosphere |
| 45% | EXOSPHERE | 9 | The outermost part of the Earth's atmosphere |
| 45% | ARGON | 5 | .93% of the earth's atmosphere |
| 45% | AIR | 3 | Content of the Earth's atmosphere |
| 45% | ARGON | 5 | About 1% of the Earth's atmosphere |
| 45% | ARGON | 5 | Roughly 1% of the earth's atmosphere |
| 45% | SIMA | 4 | Lower layer of the earth's crust |
| 44% | OZONE | 5 | Form of oxygen that composes a namesake layer of the atmosphere |
| 43% | ARGON | 5 | It makes up nearly 1% of the Earth's atmosphere |
| 43% | TILT | 4 | Feature of the earth's axis that causes the seasons |
| 43% | OZONE | 5 | Colourless gas which forms a layer within the Earth's atmosphere |
| 43% | PLATE | 5 | Part of the earth's outer layer |
| 42% | LAYERS | 6 | The troposphere, stratosphere and mesosphere, for the Earth's atmosphere |
| 42% | METEOR | 6 | Space rock that enters the Earth's atmosphere |
| 42% | MANTLE | 6 | Layer of the earth |
| 42% | OZONE | 5 | Colourless gas which forms a layer within the Earth’s atmosphere |
| 42% | SEAWEED | 7 | Major source of oxygen in the earth's atmosphere |
| 41% | ASIA | 4 | Continent that is about 30% of the earth's land |
| 41% | OZONE | 5 | Layer of atmosphere that's starting to heal |
| 41% | MANTLE | 6 | Layer of the Earth below the crust |
| 41% | CRUST | 5 | Outer layer of the Earth |
| 41% | CRUST | 5 | Outermost layer of the Earth |
| 41% | OZONE | 5 | Atmospheric layer of the Earth |
| 41% | CORE | 4 | Innermost layer of the earth |
| 40% | SAHARADESERT | 12 | Region that spans about 8% of the earth's land area [Arabic] |