[Step 1: Develop and Refine Your Hypothesis Come up with a hypothesis based on an issue that you can actually investigate—perhaps by polling or interviewing your classmates, creating case studies, or posting a survey online. If you post online, don’t give your personal information to strangers, and] [Biết ngưá»�i dùng ngưá»�i] [S������������������������������������������������������%EF] [văn hóa NháºÂt Bản] [LÒ��� �"Ò�a��¡Ò��â���šÒ�a��ºÒ��â���šÒ�a��p] [Những Câu Há» i Lá»›n – Váºt Lý] [Pháºt há»�c tinh hoa] [dưới tán rừng trăm mẫu] [7 đêm khoái lạc] [Musashigiangh�� � ���a� �Ң��a��]