Two boxes need to be moved into storage. jamal and jude each want to move a box. the force of gravity on both the boxes is 50 N. jamal is lifting with a force of 60 N, and Jude is lifting with a force of 45 N. which best describes the movement of the boxes?

Which of the following is part of the explanation or description of electromagnetic waves? (select all that apply) a. electrically charged molecules in a medium transfer their energy to nearby electrically charged molecules. b. a changing electric field causes a changing magnetic field. c. magnetic molecules in a medium transfer their energy to nearby magnetic molecules. d. a changing magnetic field causes a changing electric field.