Mercurio es el planeta mas próximo al Sol. Su distancia a nuestra estrella es de 0.39 ua .Expresa, en Km, esa distancia. Datos=1 ya=150000000 Km

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.