B. Explain several different ways in which foods can become contaminated and how this can be prevented. Describe the symptoms of food poisoning and other illnesses that can result from ingesting contaminated food. What treatments are available?

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?