Climate Change 21 /2 Q4.11. Attribution studies focus on determining whether or

Question

Climate Change 21 /2 Q4.11. Attribution studies focus on determining whether or not Earth's climate has changed in a statistical sense True O False Q4.12. While variation in solar output explains some of the increase in mean global temperature over the past 150 years, it is not nearly as important as the climate forcing resulting from human activities, True False 04.13. Which of the following statements about changes in greenhouse gases is NOT true? check ail mat appy Based on observations made on Ma una Loa, clim ists have demonstrated that C02 has incre Based on den ma

Explanation / Answer

4.11. True

The findings of event attribution studies are influenced both by how questions about a human or natural influence on an event are asked and by the methods used to answer the questions. The simple attribution studies includes the observational method.* The role of observations * Statistical observations *observed circulation analogues

4.12. True

There might be other factors too that are contributing, because in the human pollution related global warming has resulted in recent years.

4.13.  True . Mauna Loa Observatory (MLO) has been monitoring and collecting data relating to atmospheric change, and is known especially for the continuous monitoring of atmospheric carbon dioxide (CO2).

False. The Mauna Loa data are being obtained at an altitude of 3400 m in the northern subtropics, and may not be the same as the globally averaged CO2 concentration at the surface.

True..

Q 4.14. . If there is no change in the atmospheric environment the temperature would be stable. If the global warming continues due to release of gases then there will be raise in temperature. True

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