Bad hygiene, puberty, physical activity or just normal teenage bodily changes.
A person who is very stressed or anxious may lose their appetite. Nausea is a recognized symptom of anxiety disorders. Other physical symptoms can include shaking, sweating, rapid heartbeat, and difficulty breathing. Treatment options for anxiety include therapy and medication.
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Answer:
on a group project because you and your partner or partners will need to come to agreements based on critical thinking to come up with decisions that everybody is pleased with in the group or partnership.