| Quiz | Chemistry of the atmosphere |
|---|---|
| Name | |
| Result | PASSED |
| Score | 17 / 18 (94.4%) |
| Passing score | 14.4 |
| Quiz took | 2 min 26 sec |
| Quiz finished at | 2022-01-27 16:39:47 |
For the first billion years of its existence, Earth was covered in
Nitrogen makes up approximately _______ percent of today's atmosphere
Crude oil and natural gas are formed by deposits of
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?
The early atmosphere of the Earth was mostly
Coal is a sedimentary rock made from
__________ formed sediments on the seabed
Which of the following is NOT a fossil fuel?
Oxygen makes up approximately _______ percent of today's atmosphere
Which gas makes up about eighty percent of the Earth's atmosphere today?
Water vapour from the early atmosphere condensed to form
Lots of carbon dioxide removed from the atmosphere by green plants and algae in a process known as
Lots of carbon dioxide was removed from the atmosphere when
Which gas makes up about twenty percent of the Earth's atmosphere today?
Which of the following was not commonly found in Earth's early atmosphere?
Lots of carbon dioxide removed from the atmosphere when
More complex life evolved on earth as