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

Which of the following definitions best describes 'submerged bed'?

A. The portion of the ground surface which lies below water.
B. A the concept is the outermost shell of a terrestrial-type planet or natural satellite that is defined by its rigid mechanical properties.
C. A solid surface layer which is that part of a glacier in contact with a planetary atmosphere, water body, or solid material partially surrounding that glacier.
D. The ground surface that lies beneath a reservoir.

Answer: The portion of the ground surface which lies below water.