How do you know that waves sent from the sun to earth are not mechanical waves? Explain

Which feature indicates that mars resides in the inner region of the solar system

Diamond will scratch quartz. true or false

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.