Question

1. the graph shows variations in earths monthly temperatures from normal earth temperatures between january 1990 and january 1995

average monthly earth temperatures
in the late summer 1991, mt. pinatubo, a volcano in the philippines, exploded and sent thousands of tons of volcanic dust into the atmosphere. scientists have suggested that earths average monthly temperatures for many months after the explosion generally were_

Explanation:

Volcanic eruptions release dust into the atmosphere. Volcanic dust reflects sunlight, reducing solar heating and causing cooler temperatures. The Mt. Pinatubo eruption in late 1991 would lead to such a cooling effect.

Answer:

cooler than normal due to the reflection of sunlight by volcanic dust