The option that is not an Action Verb is; D: Happy
<h3>What is an action verb?</h3>
An action verb is simply defined as a verb that describes different actions such as run, jump, kick, eat, break, cry, smile e.t.c.
Now, in the question, trained, tested and designed are action verbs because they describe actions that are performed by people whereas being happy is not an action but a feeling.
Read more about Action verb at; brainly.com/question/678435
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The fear is caused by the restriction of blood flow to the reticular system of the brainstem. This affects the amygdala that is connected to the hypothalamus, which are part of the diencephalon. The difficulty in speaking is caused by damage to Borca's area in the frontal lobe. Blindes in the right visual field is caused by damage to the right occipital lobe.
