Male teacher leading lesson at whiteboard in classroom
Palabras clave
science,
man,
teacher,
lead,
lesson,
whiteboard,
classroom,
adult,
answer,
ask,
assist,
caucasian,
chemistry,
children,
confident,
day,
discovery,
education,
group,
guidance,
happy,
high,
high school,
junior high,
leadership,
learn,
mature,
people,
preteen,
protective,
satisfaction,
schoolgirl,
stem,
student,
success,
instructing,
togetherness,
wisdom,
work,
schoolboy,
listen,
crowd
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