[Thuyết Trình Hiệu Quả Trong Má»™t Phút] [19/2 calculadora] [Châu Á Thần Kỳ] [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] [phÃa sau nghi can] [Xanh má»™t mà u xanh khác] [Ngư�i vợ quy hàng] [T%A8%AAnh C%A8%A2ch B] [Phản chứng] [bÃch nham lục]