| Quiz | Chemistry of the atmosphere |
|---|---|
| Name | |
| Result | PASSED |
| Score | 15 / 18 (83.3%) |
| Passing score | 14.4 |
| Quiz took | 2 min 08 sec |
| Quiz finished at | 2022-04-15 09:05:10 |
The early atmosphere of the Earth was mostly
Which of the following is made of calcium carbonate deposits from the shells and skeletons of marine organisms?
Lots of carbon dioxide removed from the atmosphere by green plants and algae in a process known as
After they died, the shells and skeletons or marine animals contained carbonates which became locked up in rocks and _________
Coal is a sedimentary rock made from
Water vapour from the early atmosphere condensed to form
Which of the following was not commonly found in Earth's early atmosphere?
Crude oil and natural gas are formed by deposits of
Which gas makes up about eighty percent of the Earth's atmosphere today?
More complex life evolved on earth as
__________ formed sediments on the seabed
Which gas makes up about twenty percent of the Earth's atmosphere today?
Nitrogen makes up approximately _______ percent of today's atmosphere
Oxygen makes up approximately _______ percent of today's atmosphere
For the first billion years of its existence, Earth was covered in
Lots of carbon dioxide removed from the atmosphere when
Which of the following is NOT a fossil fuel?
Lots of carbon dioxide was removed from the atmosphere when