Question

which of the following best describes the impact of glaciers upon the surface of the earth?
a. ice buried continents under a few hundred feet of ice.
b. glaciers scraped across the surface and altered landscapes and the course of rivers.
c. the passage of glaciers created new ecosystems.
d. all of the above.

please select the best answer from the choices provided
a
b
c
d

Explanation:

• Continental glaciers have covered parts of Earth's continents with hundreds of feet of ice in past ice ages.
• Glaciers (both continental and alpine) scrape and erode the land, reshaping landscapes and altering river courses as they move and melt.
• The retreat and movement of glaciers create new landforms and habitats that support unique new ecosystems. All options a, b, and c accurately describe impacts of glaciers.

Answer:

d. All of the above.