Which sense is described as arguably the most critical long-range input for the Indian Cobra?

Answer

Sense of smell facilitated by the forked tongue

The cobra uses its flicking, forked tongue to collect chemical particles and transfer them to the Jacobson's organ, which serves as its most critical input for long-range environmental assessment.

Which sense is described as arguably the most critical long-range input for the Indian Cobra?
Indiareptilehearingsnakecobra