Is the Set of Even Natural Numbers Closed for the Operation

question 23

Short Answer

Is the set of even natural numbers closed for the operation of multiplication?
Answer yes or no.

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Definitions:

Body Temperature

The measure of the body's ability to generate and get rid of heat, critical for maintaining metabolic processes in homeothermic species.

Appetite

The natural desire to satisfy a bodily need, especially for food.

Fat Metabolism

The biochemical process involving the breakdown and synthesis of fats in the body for energy production and storage.

Central Nervous System

The part of the nervous system consisting of the brain and the spinal cord that processes information and directs activity.