Which of the following is an example of an unacceptable ID?

A birth certificate is considered an unacceptable form of ID for purchasing alcohol or cannabis products because it does not serve as a valid form of identification that confirms a person's identity in a transactional context. While a birth certificate provides proof of age, it lacks critical components that are necessary for identification purposes in commercial settings, such as a photo and a physical description.

In contrast, a driver's license, an ID card with a physical description, and a military ID are all designed to be used as valid forms of identification in various transactions. These IDs include the individual's photo and physical characteristics, confirming both identity and age, which are essential for complying with regulations surrounding the legal sale of alcohol and cannabis products. Hence, a birth certificate is not suitable for this purpose, making it the correct choice when identifying an unacceptable ID.