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

Which of the following definitions best describes 'multiyear ice formation process'?

A. A sea ice formation process during which seawater freezes into second year ice during the cold season, forming multiyear ice.
B. A sea ice formation process during which seawater freezes onto first year ice during the cold season, forming second year sea ice.
C. A sea ice formation process during which seawater freezes onto young ice during the cold season, forming first year ice.
D. A sea ice formation process during which new ice crystals freeze together, forming nilas, a thin, elastic, continuous, ice sheet of a transparent gray color.

Answer: A sea ice formation process during which seawater freezes into second year ice during the cold season, forming multiyear ice.