Glaciers That Once Covered the Hudson Bay Area Melted 8000

Multiple Choice

Glaciers that once covered the Hudson Bay area melted 8000 years ago.As a result of this,the bay is gradually rising.In another 10 000 years or so,it will have risen above sea level and become dry.Of what can this process best be considered an example?

A) Catastrophism.
B) Isostasy.
C) Accretion.
D) Orogenesis.