(A) We know that Earth's climate has changed throughout its history. What is one concern with the current warming trend? Explain. (2-4 sentences) (B) Scientists want to know whether the current warming trend is being driven by natural forces or human activities. If human activities, then we can do something about it. Their models suggest which group of factor-natural or anthropogenic-is most likely responsible for the current warming trend? Explain with reference to the figure below. (2-4 sentences) (C) Earth's climate has already warmed approximately 1°C over the past century and is predicted to warm another 1-4° Cover the next century. List and discuss one potential impact/implication of this continued warming. (2-4 sentences) Obsenvations All factors Actheopogeric factors Natural factors 08 02 3-02 1850 1900 1950 200 Year

(A) We know that Earth's climate has changed throughout its history. What is one concern with the current warming trend? Explain. (2-4 sentences) (B) Scientists want to know whether the current warming trend is being driven by natural forces or human activities. If human activities, then we can do something about it. Their models suggest which group of factor-natural or anthropogenic-is most likely responsible for the current warming trend? Explain with reference to the figure below. (2-4 sentences) (C) Earth's climate has already warmed approximately 1°C over the past century and is predicted to warm another 1-4° Cover the next century. List and discuss one potential impact/implication of this continued warming. (2-4 sentences) Obsenvations All factors Actheopogeric factors Natural factors 08 02 3-02 1850 1900 1950 200 Year

Astronomy

1st Edition

ISBN:9781938168284

Author:Andrew Fraknoi; David Morrison; Sidney C. Wolff

Publisher:Andrew Fraknoi; David Morrison; Sidney C. Wolff

Chapter8: Earth As A Planet

Section: Chapter Questions

Problem 28E: Suppose a major impact that produces a mass extinction takes place on Earth once every 5 million...

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