History Of Our Atmosphere Flashcards
1
Q
The Earth’s Early Atmosphere was Formed by ____________ Activity.
A
Volcanic.
2
Q
What did the Earth’s Early Atmosphere Consist of?
A
Carbon Dioxide, Possibly Nitrogen and Water Vapour, With Traces of Methane and Ammonia.
3
Q
As Plants Spread Over the Earth, the Levels of Oxygen in the Atmosphere ______________.
A
Increased.
