| Quiz | Chemistry of the atmosphere |
|---|---|
| Name | |
| Result | PASSED |
| Score | 16 / 18 (88.9%) |
| Passing score | 14.4 |
| Quiz took | 9 min 42 sec |
| Quiz finished at | 2025-04-08 15:00:07 |
For the first billion years of its existence, Earth was covered in
Coal is a sedimentary rock made from
Which gas makes up about twenty percent of the Earth's atmosphere today?
Crude oil and natural gas are formed by deposits of
Oxygen makes up approximately _______ percent of today's atmosphere
Lots of carbon dioxide was removed from the atmosphere when
Which of the following is NOT a fossil fuel?
Water vapour from the early atmosphere condensed to form
More complex life evolved on earth as
Which gas makes up about eighty percent of the Earth's atmosphere today?
Lots of carbon dioxide removed from the atmosphere by green plants and algae in a process known as
The early atmosphere of the Earth was mostly
Lots of carbon dioxide removed from the atmosphere when
Nitrogen makes up approximately _______ percent of today's atmosphere
After they died, the shells and skeletons or marine animals contained carbonates which became locked up in rocks and _________
Which of the following is made of calcium carbonate deposits from the shells and skeletons of marine organisms?
__________ formed sediments on the seabed
Which of the following was not commonly found in Earth's early atmosphere?