Question

A natural reaction performed automatically without thinking.​

Answer 1

Explanation:

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Something that's automatic is done without thinking, almost as if you're a well-programmed machine. ... If you flash a smile every time someone walks through the door, it's an automatic smile, a natural reaction you didn't think about or plan in advance.

Answer 2

Answer:

Something that's automatic is done without thinking, almost as if you're a well-programmed machine. If you flash a smile every time someone walks through the door, it's an automatic smile, a natural reaction you didn't think about or plan in advance.