Chet plans an experimental investigation to see how well a new fertilizer works on daisies. the fertilizer must be dissolved in water and delivered to the plants by spraying it onto the leaves and stems. to set up his control group for the experiment, chet should leave out the air. water. daisies. fertilizer.

Agroup of students were investigating the force of gravity. they began by dropping a foam ball from a height of 3 meters into a bucket of sand. the ball hit the sand in 0.306 seconds. they dropped additional balls of approximately the same diameter, but of different masses. here is the data they collected. based on this experiment and the collected data, what would their conclusion be?