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expand Title : HOW DO STUDENTS AND TEACHERS PARTICIPATE AT NHD-OC? ‎(1)
expand Title : HOW DO STUDENTS GET STARTED? ‎(1)
expand Title : HOW DO TEACHERS GET STARTED? ‎(1)
expand Title : HOW DOES NHD-OC WORK? ‎(1)
expand Title : HOW MANY ENTRIES ADVANCE TO THE NHD-OC CONTEST? ‎(1)
expand Title : HOW MANY ENTRIES CAN EACH SCHOOL SEND TO NHD-OC? ‎(1)
expand Title : WHAT ARE THE THREE NHD-OC DIVISIONS? ‎(1)
expand Title : WHAT CATEGORIES ARE IN EACH DIVISION? ‎(1)
expand Title : WHAT HAPPENS NEXT? ‎(1)
expand Title : WHAT IS INCLUDED IN A NHD PROJECT? ‎(1)
expand Title : WHAT IS REQUIRED TO PARTICIPATE IN NHD? ‎(1)
expand Title : WHO CAN PARTICIPATE IN THE NHD-OC CONTEST? ‎(1)