Question

when areser and estar used? \estar\ is for physical characteristics. \ser\ is used for emotions. \ser\ is for physical characteristics. \estar\ is for location. both of them are used interchangeably.

Explanation:

In Spanish, "ser" is used for inherent or permanent characteristics like physical characteristics. "Estar" is used for temporary states such as location.

Answer:

"Ser" is for physical characteristics. "Estar" is for location.