When you are resizing graphics on a business card, holding down the Shift key serves what purpose? maintaining the orientation of the graphic
keeping the height and width proportional to the original graphic
matching the dimensions of the graphic to the dimensions of the business card
moving the graphic to the background behind any text on the business card

Two students are discussing electricity that has a frequency of 60 hz. student a says that this type of electricity is referred to as ac. student b says that in this type of electricity, the electrons flow in only one direction. which of the following statements is correct? a. only student a is correct b. only student b is correct c. both of the two students are correct d. neither of the two students is correct