Select the correct answer from the drop-down menu.

Choose the correct meaning of chasm in the passage.
Before There Was Ice

Scientists discovered a chasm below the icy surface of Greenland. Similar to the Grand Canyon, this
stretches out 460 miles long and is 2,600 feet deep. Scientists believe that the massive gorge may have formed long ago before the country became covered in ice.

A. deep fissure in the Earth's surface