Can you bring a vape on a plane?

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

True or false mucous membranes destroy pathogens on the outer body surface, at body openings.

Wich technque is not recommended for use as a supporting detail