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Which of the following is the stannic ion?
Gift
A voluntary transfer of property or funds from one individual to another without expectation of payment or compensation.
Diamond-Water Paradox
A question in economics that points out the contradiction between the high value of diamonds, which are non-essential, and the low value of water, which is essential for survival.
Marginal Utility
The extra pleasure or benefit derived from using one more unit of a product or service.
Essential Goods
Goods that are necessary for basic survival and well-being, such as food, water, and healthcare.
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