I need your help
To the extent that the coverage of the global climate from these records can provide a measure of its true variability, it should at least indicate how all the natural causes of climate change have combined. These include the chaotic fluctuations of the atmosphere, the slower but equally erratic behavior of the oceans, changes in the land surfaces, and the extent of ice and snow. Also included will be any variations that have arisen from volcanic activity, solar activity, and, possibly, human activities.
8. All of the following are mentioned in paragraph 5 as natural causes of climate change EXCEPT
○ atmospheric changes
○ the slow movement of landmasses
○ fluctuations in the amount of ice and snow
○ changes in ocean activity
the answer is the second one. why not the third?

Question

Answer

"Atmospheric changes" is mentioned in this sentence: "These include the chaotic fluctuations of the atmosphere"
next part of the sentence is "the slower but equally erratic behavior of the oceans" which is an answer for "changes in ocean activity"
the last part of the sentence is "and the extent of ice and snow" which can be said as "the fluctuations in the amount of ice and snow".

the slow movement of landmasses... that's not mentioned in the text because "changes in the land surfaces" means more buildings, less trees and things like that, that are on the surface. And volcanic activity is a result of the movement of landmasses, but doesn't describe it.

hope, it helps :)

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