The portfolio is the means by which Devina will showcase her work, her style and her skill. It is a show of your work and a proof of your qualifications. If she is photographed her job is to take and edit photos, then the most important thing about her portfolio is a sample of good quality photographs with impeccable editing. These are pictures that Devina will take to a possible client to show that it is in this area that she acts and that is what she is good at.
Few advancements in scientific knowledge were made. Scientists discovered new evidence to support their theories. Scientists discovered that old interpretations of data was incorrect. Scientists used observations and mathematical data to solve problems in new ways.