(a)State two causes of world climatic changes.
-Man’s activities.
-Increased carbon dioxide in the atmosphere.
-Volcanic eruptions.
-Variations in the earth’s orbital characteristics.
(b)Give three effects of climatic changes on human activities.
-Floods.
-Decreased agricultural production.
-Droughts
lydiajane74 answered the question on December 4, 2017 at 22:36
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