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)

Question

Responses

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

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

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 and retreat of glaciers may be a slow process, the extreme disturbance occurs because the landscape left behind can be stark and barren, which disrupts existing ecosystems and creates a challenging environment for the establishment of new ones.