| Hint | Answer | % Correct |
|---|---|---|
| What percentage of the earths atmosphere is nitrogen? | 78 | 100%
|
| What percentage of the earths atmosphere is argon? | 1 | 86%
|
| What percentage of the earths atmosphere is oxygen? | 21 | 86%
|
| Name a greenhouse gas? | Carbon dioxide Methane Water vapour | 86%
|
| What does CO2 cause? | Global warming | 86%
|
| What is a reactant of photosynthesis? | GlucoseWater Oxygen Carbon Dioxide | 71%
|
| What does Nitrogen oxide cause? | acid rain | 29%
|
| What is a factor that reduced CO2 levels? | Evolution of marine animals Photosynthetic organisms evolved Formation of the oceans | 29%
|
| What does carbon particulates cause? | Global dimming | 29%
|
| What is the problem with Carbon Monoxide? | Toxic | 29%
|
| What is the problem with sulfur dioxide? | respiratory problems | 14%
|