Which of the following is an observation? a. the baby was crying very loudly; therefore, he must have been hungry. b. jason stared at his computer screen for 2 minutes and then starting typing on the keyboard very rapidly. c. stella must have been very upset when she left the room and slammed the door behind her. d. john was jumping up and down because he was excited about his new puppy.

The electric potential v is constant everywhere within a certain region of space. which statement below is true? the choices are: the electric field is also constant (but not zero) within the region. a charged particle placed within the region will experience an electric force. the electric field is zero everywhere within the region. the electric field varies from place to place within the region.