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

Which of the following definitions best describes 'water-based cloud droplet'?

A. The surface layer of a volume of water.
B. A the concept composed primarily of water.
C. A water droplet which exists at temperatures below 0°C (273.15K).
D. This is the class intended for use when describing raindrops on Earth. These typically have a diamter of 0.1 to 9 millimetres.

Answer: A the concept composed primarily of water.