The following statements were taken from the procedures of four different investigations.
{"Image DocumentName": "The following statements were taken from the procedures of four different investigations.", "Image ImageDescription": "1. Pour 50 milliliters (mL) of water down four inclined surfaces. 2. Roll a marble down the ramp from a height of 10 centimeters (cm), 20 cm, and 30 cm. 3. Take the mass of five rocks separately and then determine the average mass in grams (g). 4. Conduct four trials of counting the bubbles produced by a water plant for 1 minute (min) each. The statement from which investigation is an example of repetition(repeated trial)? A. Investigation 1. B. Investigation 2. C. Investigation 3. D. Investigation 4.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}