Single curled card with printed question mark
Palabras clave
question mark,
answer,
assistance,
card,
concept,
grey background,
help,
mark,
pile,
printed,
problem,
query,
question,
quiz,
research,
search,
solution,
stacked,
unknown,
answer,
asking,
education,
find,
idea,
investigate,
investigation,
know,
learn,
problem,
quest,
question,
thinks,
thinking,
uncertainty,
understanding