climate 508 feedback 514 forcings 513 geoengineering 527 global warming potentia
ID: 117720 • Letter: C
Question
climate 508 feedback 514 forcings 513 geoengineering 527 global warming potential 515 greenhouse gases 512 sunspots 514 terrestrial radiation 510 thermal expansion 524 troposphere 509 weather 508 Testing Your Knowledge 1. What is the difference between weather and climate? 2. What is albedo? Give an example of an object with (a) high albedo and (b) low albedo. 3. In what way do greenhouse gases warm the planet? 4. How do volcanoes affect the Earth's temperature? 5. Describe three pieces of evidence that climate is changing. 6. What are the two main causes of sea-level rise? 7. How do scientists use ice cores to determine past temperatures? 8. Why doesn't increasing CO2 lead to increased plant growth in the long term? 9. What are the two approaches to geoengineering? 10. What is a climate feedback? Give an example of a negative feedback. 11. Which of the following is the correct order of the layers of the atmosphere from the ground up? a. stratosphere, mesosphere, troposphere, thermosphere b. thermosphere, troposphere, stratosphere, mesosphere c. troposphere, stratosphere, mesosphere, thermosphere d. stratosphere, troposphere, mesosphere, thermosphereExplanation / Answer
1) Weather is what you see outside on any particular day. So, for example, it may be 75° degrees and sunny or it could be 20° degrees with heavy snow. That’s the weather.
Climate is the average of that weather. For example, you can expect snow in the Northeast in January or for it to be hot and humid in the Southeast in July. This is climate. The climate record also includes extreme values such as record high temperatures or record amounts of rainfall.
The difference between weather and climate is a measure of time. Weather is what conditions of the atmosphere are over a short period of time, and climate is how the atmosphere "behaves" over relatively long periods of time.
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