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