Adefinition and description of acid rain:

an overview of the areas of the world in which acid rain is an issue

five suggestions for what we can do to prevent acid rain and the damage it causes

a specific example of an area that experiences acid rain

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.