Final answer:
Physical examination can be used for both tangible assets and documents to verify their existence.
Step-by-step explanation:
Physical examination can be used for both tangible assets and documents. It is a direct means of verifying that an asset really exists by physically inspecting it.
For example, when conducting a physical examination of a house, you would physically inspect the property to confirm its existence.
Therefore, option C) can be considered as the correct answer.