Mateo has a passion for collecting old watches. he's particularly interested in those from the 1920s because they have a history behind them. he has learned that some of them are fake. therefore, he takes the watches to an appraiser to ensure that they are genuine before he agrees to purchase them. mateo is concerned with the of the watches. a. periodicityb. reliabilityc. canonicityd. authenticitye. stability

D. Authenticity

Explanation: Authenticity describes the genuineness or real nature of something. Mateo wants to ensure that every watch purchases must be those from 1920s and are original. For him,authentic products are his priority and watchword mainly because he has some specific quality connected with the watches manufactured from the 1920s and must be original. Taking the watches to an appraiser is for the appraiser to help in verifying the authenticity of the watches.

Authenticity

Explanation:

Authenticity refers to the genuiness of a product, having the qualities it claimed to possess. Mateo is concerned about authentic 1920s watches and not any watches produce in 1920s.

He is not interested in the periodicity since he his not interested in the watches reoccurrence in the years, reliability is the quality of been dependable and he knows not all are dependable since some has been adjudged as fake,

Furthermore his not interested in their importance which refers to the cannonicity nor the stability for a product can be stable but not good enough.

i would say a penny hope it you