Podcast
Questions and Answers
What evidence can geologists study to understand past climate?
What evidence can geologists study to understand past climate?
- Human activity
- Layers of rock (correct)
- Ice ages
- Fossils
What caused past climate changes?
What caused past climate changes?
- Volcanic eruptions (correct)
- Human activity
- Antarctica's temperature
- Fossils
What is the future of Earth's climate?
What is the future of Earth's climate?
- It will not change
- It is certain to be extreme
- It will only get colder
- It is uncertain (correct)
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Study Notes
- Earth's climate has changed over millions of years.
- Ice ages and volcanic eruptions have caused past climate changes.
- Geologists can study layers of rock to understand past climate.
- Fossils provide evidence of past plant and animal life.
- Antarctica was warmer 110 million years ago.
- Human activity may be causing global warming.
- Action is needed to prevent future extreme climate changes.
- The future of Earth's climate is uncertain.
- Earth has survived dramatic changes in the past.
- Challenges may be faced in the future.
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