Which of the following is an appropriate hypothesis to answer the question, why are leaves green? A:Leaves are green due to the presence of chlorophyll, a pigmented compound found within the leaves.
B:Based upon the given data, which spans 25 years of research, scientists determined that leaves are green due to the presence of chlorophyll, a pigmented compound found within leaves .
C:To study the color of leaves ,scientists grow 250 maple trees within the green house over the course of 6 months an analyzed the structure of over 1,00leaves
D: