test
Cards (30)
- How long is it believed the early atmosphere of the Earth formed?
- Why is it hard to gather information about the early atmosphere?
- What covered the Earth's surface in the first billion years?
- What was the primary gas in the early atmosphere?
- Was there oxygen in the early atmosphere?
- What gases did volcanoes release besides carbon dioxide?
- What happened to much of the carbon dioxide over time?
- Where did a lot of the carbon dioxide dissolve?
- What did dissolved carbon dioxide form in the oceans?
- When did green plants and algae evolve?
- What process do green plants and algae use to produce oxygen?
- Write the equation for photosynthesis.
- What happened to oxygen levels over time?
- What is the composition of gases in the atmosphere today?
- What are the other gases present in the atmosphere?
- What do greenhouse gases do?
- What can happen if greenhouse gases become more abundant?
- What type of radiation is reduced by fossil fuels?
- What has been happening to the average temperature of the Earth's surface recently?
- What do most scientists think is causing the temperature increase?
- What do scientists believe will result from increased carbon dioxide?
- What does peer-reviewed evidence mean?
- Why is it hard to create an accurate climate model?
- What has led to various theories and opinions about climate change?
- What could higher global temperatures cause?
- What may changes in rainfall lead to?
- What could become more frequent and severe due to climate change?
- How might changes in temperature and rainfall affect food production?
- Describe the greenhouse effect and its impact on global temperature.
- Describe how sedimentary rocks are formed.