History of Earth's Atmosphere

Multiple Choice

The accumulation of particles of rocks, gases, and dust that formed early planets

• accretion

• conglomeration

• amalgamation

• celestial fusion

Multiple Choice

The process by which gases that were once dissolved in molten rock are released as the rock hardens into a crust​.

• Releasing
• Outgassing
• Inhaling
• Undergassing

Open Ended

Briefly describe how oceans formed on early earth.

Multiple Choice

Which of the following was a positive side effect of ocean formation on early earth?

• Destruction of all life forms
• Increase in global temperature
• Depletion of oxygen in the atmosphere
• removal of carbon dioxide from the atmosphere

Open Ended

List atmospheres I, II, and III with the predominant gases during those time periods

Multiple Choice

Which stage of atmospheric evolution is characterized by conditions rich in water vapor and carbon dioxide?

• Atmosphere I

• Atmosphere II

• Atmosphere III

• Modern Atmosphere

Multiple Choice

Which factor produced most of the oxygen that is found in the atmosphere today?

• Volcanic eruptions
• Industrial pollution

• Living organisms

• Burning fossil fuels