1The main components of the past atmosphere were predominantly
- Water vapor, carbon dioxide, amines
- Hydrogen, helium and hydrogen compounds
- Ozone, nitrous oxide, and particles
- Pre-oxidation chemicals
2What planetary event catalyzed the evolution of the atmosphere
- The great oxidation
- Bloom of cyanobacteria
- Precipitation of water vapor
- Both oxidation and cyanobacteria
3Composed predominantly of gasses
- Homosphere
- Heterosphere
- Mesosphere
- Stratosphere
4The air is very thin
- Homosphere
- Mesosphere
- Stratosphere
- Thermosphere
5Where all weather occurs
- Mesosphere
- Stratosphere
- Thermosphere
- Troposphere
6This layer is affected by solar effects
- Heterosphere
- Ionosphere
- Thermosphere
- Troposphere
7Contains the thick ozone layer
- Homosphere
- Mesosphere
- Stratosphere
- Thermosphere
8Contains 80% of atmospheric mass
- Heterosphere
- Homosphere
- Stratosphere
- Troposphere
9Where there are no permanent gases
- Heterosphere
- Homosphere
- Stratosphere
- Troposphere
10Closest layer to the Earth's crust
- Heterosphere
- Mesosphere
- Stratosphere
- Troposphere
11Located below 80km
- Homosphere
- Mesosphere
- Stratosphere
- Thermosphere
12Part of the outer space
- Heterosphere
- Ionosphere
- Stratosphere
- Thermosphere