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Enzo sits with a small group of friends at lunch. lately, he has been very quiet and stays home a lot even though his friends invite him to go places. he likes to play video games in his free time and is slightly overweight. which behavior is a sign that enzo may need professional mental health treatment? a) being overweight b) playing video games c) withdrawing from activities d) having a small group of friends

During the first month of development, how many layers of cells make up the embryo? a. 1 b. 2 c. 3 d. 4

For yokos physical fitness class she is supposed to do a certain amount of aerobic exercise what is best for her