Question

The melting and subsequent retreat of glaciers is a long process that may take centuries. Why is something so slow considered an extreme disturbance?(1 point)
Responses

They will never grow back after they melt.
They will never grow back after they melt.

They leave behind bare rock with no established ecosystem.
They leave behind bare rock with no established ecosystem.

They move giant boulders and change the physical shape of the landscape.
They move giant boulders and change the physical shape of the landscape.

They strip away trees and destroy everything as they move.

Answer 1

The correct response is:

**They leave behind bare rock with no established ecosystem.**

While the melting of glaciers is a slow process, the result is a significant disturbance to the landscape, as it can leave behind areas devoid of vegetation and life, which takes a long time to recover and establish a new ecosystem.