Trina and Brandon were graphing their motion using a motion detector to track their movement. Brandon held the motion detector while Trina moved for 20 seconds. She started by moving slowly towards the motion
detector. Then she quickdy moved away before stopping for a short time. In the end, she walked at a medium
pace towards the motion detector again. What the graph produced from Trina's movement look like?

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