Examlex
If both of the child references of a binary tree node are non-null, it follows that the node must be ____.
Bill of Rights
A collective name for the first ten amendments to the United States Constitution, guaranteeing such rights as the freedoms of speech, assembly, and worship.
Inelastic Demand
A situation in which the demand for a product does not significantly change in response to a change in price.
Necessity
An essential requirement or need for survival or to maintain a certain standard of living.
Luxury
Goods or services that are considered non-essential but desired for their quality, status, or comfort they provide.
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