An electron is traveling in the +x direction through a contained magnetic field. what is the direction of the force from the magnetic field on the electron when it enters the containment area if the magnetic field is going in the a) -x direction b) -y direction c) +z direction

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.