The graph below shows the average changes in monthly global air temperatures from 1990 to 1992. The time of a major volcanic eruption of Mount Pinatubo in the Philippines is shown. Part A: Explain the effect that the eruption had, if any, on global air temperatures. Support your answer by citing specific evidence from the graph. Part B: Explain how this volcanic eruption could have caused the trend shown by the graph.

Applications and Investigations in Earth Science (9th Edition)
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The graph below shows the average changes in monthly global air temperatures from 1990 to 1992. The time of a major volcanic eruption of Mount Pinatubo in the Philippines is shown.

Part A: Explain the effect that the eruption had, if any, on global air temperatures. Support your answer by citing specific evidence from the graph.

Part B: Explain how this volcanic eruption could have caused the trend shown by the graph.

Mount Pinatubo erupts
+0.4-
+0.3-
+0.2-
+0.1-
0Average temperature
-0.1-
-0.2-
-0.3-
-0.4-
-0.5
1990
1991
1992
Temperature Change (°C)
Transcribed Image Text:Mount Pinatubo erupts +0.4- +0.3- +0.2- +0.1- 0Average temperature -0.1- -0.2- -0.3- -0.4- -0.5 1990 1991 1992 Temperature Change (°C)
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