What Happens to the Land Surface When Large Ice Sheets

question 84

Multiple Choice

What happens to the land surface when large ice sheets melt away?

• A) it subsides because there is less ice on top
• B) the land surface remains unchanged but seems lower because of the loss of ice
• C) the land flexes upward due to isostatic rebound
• D) the land rises because the rocks are warmer without the ice

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Definitions:

Coefficient Of Variation

A measure used to indicate the relative variability of a data set, expressed as a percentage of the mean.

Ages

Refers to the length of time that an individual, object, or phenomenon has existed.

Volunteers

Individuals who offer themselves for a service or undertaking willingly and without pay.

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, indicating how much the values in a data set differ from the mean.