Which of the following are true with regard to eminent domain? $($Check all that apply$)$

A$.)$ Eminent domain may be granted to the owner of adjoining property, provided that owner has been using the subject property in an open and notorious way for at least seven years.

B$.)$The owner of property taken under eminent domain is entitled to compensation at fair market value.

C$.)$Laws that constrain an owner from all reasonable use could amount to a taking of property by eminent domain.

D$.)$Legitimate public uses for eminent domain are limited to law enforcement, education, and transportation projects.