The document that conveys an owner's interest in real property is a deed, as it legally transfers ownership. Other options like mortgages and surveys do not provide ownership rights. Therefore, the correct answer is C) Deed.
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The document that conveys an owner's interest in real property is a deed, while a mortgage, survey, and bill of sale serve other functions. A deed legally transfers ownership, making it essential for property ownership. Understanding the distinction between these documents is vital for property transactions. ;