| Quiz | Chemistry of the atmosphere |
|---|---|
| Name | |
| Result | FAILED |
| Score | 14 / 18 (77.8%) |
| Passing score | 14.4 |
| Quiz took | 1 min 23 sec |
| Quiz finished at | 2022-03-31 13:43:54 |
For the first billion years of its existence, Earth was covered in
After they died, the shells and skeletons or marine animals contained carbonates which became locked up in rocks and _________
Which gas makes up about twenty percent of the Earth's atmosphere today?
Which of the following is made of calcium carbonate deposits from the shells and skeletons of marine organisms?
Oxygen makes up approximately _______ percent of today's atmosphere
Water vapour from the early atmosphere condensed to form
Lots of carbon dioxide removed from the atmosphere when
Coal is a sedimentary rock made from
Which of the following was not commonly found in Earth's early atmosphere?
Crude oil and natural gas are formed by deposits of
The early atmosphere of the Earth was mostly
Lots of carbon dioxide removed from the atmosphere by green plants and algae in a process known as
Which gas makes up about eighty percent of the Earth's atmosphere today?
Nitrogen makes up approximately _______ percent of today's atmosphere
Which of the following is NOT a fossil fuel?
Lots of carbon dioxide was removed from the atmosphere when
__________ formed sediments on the seabed
More complex life evolved on earth as