A strong requirement is that a testable hypothesis must meet before it can really be considered scientific
Altering the location of a sign to change the "gender" cannot be considered an example of non-manual expression.
<h3>How to identify the example of non-manual expression?</h3>
To identify the example of non-manual expression, we must take into account that a manual expression involves the movement of the hands to express a message.
According to the above, an action that is not considered an example of non-manual expression is one that uses the hands. So the correct option would be B. Alternating the location of a sign to change the gender.
Learn more about non-manual expression in: brainly.com/question/11839804
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Ill say Mexico because of its history and culture, and from my point of view it's the most famous spanish speaking country.
