[Xã+há»™i+háºÂÂÂu+tư+bản] ["Phan Huy KhÒ�� �"Ò⬠â����Ò�â��šÒ�a�¡Ò�� �"Ò¢â�a¬�] [cÆ¡ sở] [Fiona wants to use the scientific method to answer the question “Do oxygen levels in the air affect rates of photosynthesis?” She reads about photosynthesis in her biology book and is ready to carry out the next step. What should she do next?perform an experimentdesign a proceduremake observat] [tối ưu hóa] [PhươngphápÄÃÂ�] [phan dÅ©ng] [��K:����� 05�] [Hướng dẫn xây dựng thực đơn nhanh (theo đơn vị chuyển đổi thực phẩm)] [Trần Äình Sá»]