chemistry of the atmosphere exam q
No description yet. This curated deck is ready for daily study.
Card preview (4)
Give two reasons why the percentage of carbon dioxide has changed.
• used by plants] • photosynthesis • looked up in fossil fuels • locked up in sedimnetary rocks or formed sedimentary rocks • dissolved in oceans
State how nitrogen oxides are produced in a petrol engine.
-high temperatures in the engne cause oxygen from the air to react with nitrogen
) Many scientists are concerned about the carbon dioxide released from burning fossil fuels such as petrol. 2 marks
carbon dioxide is a greenhouse gas which causses global warming percentage of carbon dioxide in the atmosphere increases
The atmosphere on Earth is very different from that on Mars. One important difference is that the Earth’s atmosphere contains a large amount of oxygen. Give two other ways in which the Earth’s atmosphere is different from the atmosphere on Mars.
more nitrogen less carbon dioxide