Bob's hair is grey and he has wrinkles under his eyes.Some people use these features to tell how old Bob is.What term refers to these features?

Name: Bob's hair is grey and he has wrinkles under his eyes.Some people use these features to tell how old Bob is.What term refers to these features?
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Question

Quizplus · Accepted Answer

Functional age refers to the observable attributes and characteristics, such as physical appearance and abilities, that people use to estimate someone's age.

Bob's Hair Is Grey and He Has Wrinkles Under His