Concept:Unlimited liability means the owner is personally responsible for all business debts.Explanation:In a business with unlimited liability, there is no legal separation between the owner and the business.If the business fails or owes money, the owner must pay the debts from personal funds.This includes using the owner’s private property to clear business liabilities.So, the owner’s personal assets are at risk, not just the amount invested in the business.Answer:D. owners private property can be used to settle the business debts