8. If the slope in the position versus time graph is a curved line as shown in the figure below, what can you tell about the motion?

What is the rate of 12 liters of water moving through a water hose in 4.0 minutes?

1. when conducting a test on what kind of music increases the growth of plants, all of the following would fail to meet to fair test standard except (1 point) using different kinds of plants. giving some plants more water than others. exposing the plants to different types of music. using nutrient-rich soil for one and lesser soil for others. 2. engineering uses scientific thinking to solve real-world problems. (1 point) true false 3. what does it mean to test a hypothesis? (1 point) pass a quiz on other scientists’ results analyze only the results from scientific sources not make assumptions about how an experiment will turn out see if the results of an experiment are what the scientist predicted

What is reflection, what is refraction, and what is diffraction. what some similarities or differences between the three.