I will give you Brainliest if its correct. Describe an electromagnetic wave.

Electromagnetic waves will be waves that are made because of vibrations between an electric field and an attractive field. As such, EM waves are made out of wavering attractive and electric fields. ...They are redirected neither by the electric field, nor by the attractive field.

hope this helps :)

the first answer was right.ill give it a ten

the answer might be either a or c. can't be too sure , because i searched the web, but no valid answers came through.

answer; john stuart mill's principle of utility is your answer; /// good luck