Biblioteca
Estuda os sinais, revê a matéria e consulta resumos quando precisares.
#a8v7vn8k
Does the blue sign oblige me to reverse direction?
Question under review
This question hasn't been validated yet, so it doesn't appear in exams and the correct answer isn't shown for now.
AYes, because it is a mandatory sign.
BYes, because it is an information sign.
CNo, because it is an information sign.