Printed question mark on curled blue paper
Palabras clave
question,
question mark,
mark,
question,
answer,
assistance,
help,
problem,
query,
quiz,
research,
search,
solution,
solve,
unknown,
card,
choice,
opportunity,
paper,
printed,
answer,
asking,
education,
find,
idea,
investigate,
investigation,
know,
learn,
problem,
quest,
thinks,
thinking,
uncertainty,
understanding