Hector has started growing orchids in a greenhouse. He has kept a record how many new blossoms his orchids have grown each week, which may be seen in the graph below. Between which two weeks did the greatest increase in new blossoms occur? a. 1 and 2 b. 4 and 5 c. 5 and 6 d. 8 and 9 Please select the best answer from the choices provided