<h2>O facial expressions</h2><h3>When you cry, you show emotions through your face. you are crying, and you're sad. Facial expressions show motions of the face that indicate feelings and emotions. So, the answer is facial expression.</h3>
<span>What food source contains all the essential amino acids and is the best source of protein?
-</span><span>meat
</span><span>Plant proteins are often of lower nutritional quality than animal proteins because they often lack one or more essential amino acids. However we can restore the balance of amino acids, by involving them in the same meal.</span>
Answer:<em> Protein not only helps maintain muscle and bone mass, but it's also essential for body growth. Thus, deficiency or insufficiency is especially harmful to children whose growing bodies require a steady supply.</em>
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