Question 7 of 25 A scientist is studying the effects of sunlight on rose bushes. Which statement is a hypothesis that he can test by performing a scientific investigation? A. Rose bushes look more attractive on sunny days than on cloudy days. B. If rose bushes receive more hours of sunlight each day, they will grow taller C. If roses are cut from the bush, people will think they smell better than before they were cut. D. Roses are prettier than other kinds of flowers.​