Agroup of students designed a pamphlet. they used images and text to describe the chemical and physical changes that take place during cooking. which type of scientific model did the students design? a) an infographic because it visualize the molecular motion during the changes in nature. b) an infographic because the images improve understanding of the changes in matter. c) a graph because it shows interrelationship between two types of changes. d) a graph because it shows the effect of one variable on the other.