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What is it called when two or more things affecting each other?

Cardinal Direction

Scale

Interaction

Latitude

Interaction

The term you are looking for is "Interaction". Interaction refers to the action or influence that two or more things have on each other. It can involve a variety of factors such as communication, physical contact, or mutual effects.

The correct answer to the question "What is it called when two or more things affecting each other?" is "Interaction".

To arrive at this answer, we can break down the question and analyze the options given.

- Cardinal Direction: This term refers to the main four directions (north, south, east, and west) on a compass rose. It is not related to the concept of two or more things affecting each other.
- Scale: Scale typically refers to the size or proportion of an object or phenomenon. While the concept of scale can be applied to interactions, it does not directly imply the idea of two or more things affecting each other.
- Latitude: Latitude refers to the horizontal lines on the Earth's surface used to measure the distance from the equator. It does not pertain to the concept of two or more things affecting each other.

By process of elimination, we are left with "Interaction" as the most suitable option that describes the relationship between two or more things affecting each other.