The cns must distinguish four properties of a stimulus. these properties include location, intensity, modality, and which other property?

Duration  
The Central Nervous System CNS is in charge of coordinating tangible data and reacting appropriately. It comprises of two principle segments: Initially, the spinal rope fills in as a conductor for signals between the cerebrum and whatever is left of the body. It additionally controls basic musculoskeletal reflexes without contribution from the brain.Secondly, the mind is in charge of incorporating most tactile data and organizing body work, both deliberately and unknowingly. Those four properties enables it to function accurately with regards to a stimulus.

I’m going to go with b!