Which mixtures could be separated using evaporation? check all that apply. fat in milk salt in ocean water mud in pond water butter in cookie dough vinegar in salad dressing

Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?