Task: Class Definition Understanding (ontology: Earth_Environment/SWEET)

Which of the following definitions best describes 'isostatic rebound'?

A. Post-glacial rebound (sometimes called continental rebound, the concept, isostatic adjustment or post-ice-age isostatic recovery) is the rise of land masses that were depressed by the huge weight of ice sheets during the last glacial period, through a process known as isostatic depression. [Wikipedia]
B. The process in which mountains begin to collapse under their own weight and spread out laterally.
C. An the concept occurs when a seismic event causes an extension in the crust. [Wikipedia]
D. the concept is the phenomena of two plates moving toward one another. [Wikipedia]

Answer: Post-glacial rebound (sometimes called continental rebound, the concept, isostatic adjustment or post-ice-age isostatic recovery) is the rise of land masses that were depressed by the huge weight of ice sheets during the last glacial period, through a process known as isostatic depression. [Wikipedia]