Final answer:
The correct answer to the student's question about forms of wealth is D. tangible. Tangible assets include real estate, gold, and vehicles. These assets can provide financial returns and other benefits such as housing, which offers a place to live.
Step-by-step explanation:
Wealth can be held in the form of financial assets such as stocks, money, and bonds, or as tangible assets such as real estate. The correct answer to the student's question is D. tangible. Tangible assets are physical items that have value and include things such as real estate, gold, and vehicles. These assets can provide a return on investment through capital gains and can also have non-financial benefits. For instance, housing not only has the potential for capital appreciation, but you also gain the benefit of having a place to live.