Task: Class Definition Understanding (ontology: Food_Agriculture/Crop_Ontology)

Which of the following definitions best describes 'Leaf relative water content'?

A. The 15N natural abundance in seeds, used to determine symbiotic nitrogen fixation (SNF) ability.
B. The water status of leaves.
C. The the concept relative to air temperature.
D. The content of magnesium in shoots.

Answer: The water status of leaves.