The graph here summarizes the changes in the total volume of ice in all the world's glaciers since 1960. Note that the volume changes on the y-axis are negative, meaning an overall loss of volume.
The greatest volume of glacial ice was lost during what periods?
(1 point)
Responses
Between 1960-1970
Between 1960-1970
Between 1980-1990
Between 1980-1990
Between 1995-2000
Between 1995-2000
Before 1960
Before 1960
Question 2
Referring to the same graph
The most reasonable explanation for the loss of glacier mass since 1960 is...
(1 point)
Responses
an increase in the total productivity of the world's oceans
an increase in the total productivity of the world's oceans
a gradual rise n the Earth's average temperature
a gradual rise n the Earth's average temperature
an increase in the total amount of ice at Earth's poles
an increase in the total amount of ice at Earth's poles
an increase in the sun's output of radiant energy