How does music affect plant growth? to answer this question, dr. Anderson set up an experimental chamber and exposed a group of 15 bean plants to the same 60-minute rock cd twice a day, at 9:00 a. M. And 9:00 p. M. Another group of 15 bean plants was placed in a different chamber with the same temperature, light, and humidity, but these plants weren't exposed to music. One month later, the heights and masses of all 30 plants were measured and compared. In this example, what's the responding variable?.

How often do neap tides occur? a. about once a month b. about twice a month c. about once a year d. about twice a year

Did the universe cool off or get hotter as it expanded after the 'big bang"?

Which of the following best describes the difference between “autobiography” and “memoir”? a. autobiography is written about the author's own interpretation of events; memoir is a written interpretation of events. b. memoir covers a particular time in the writer’s life or recounts life events around one or two themes; autobiography covers the entire story of the author's life and has multiple themes. c. autobiography covers the entire story of the writer's life and has multiple themes; memoir is a shorter written work with one theme. d. autobiography covers entire story of the writer's life and has multiple themes; memoir is the writer’s random memories about past experiences.