Can someone pls help am i right or naw guys

Ben is interested in using a source that provides original research, current and developing trends and experts within specific fields. which source should he use?

Which of these terms are associated with communication between neurons? chemical signals, electrical signals, synapse chemical signals, synapse, neurotransmitters synapse, electrical signals, chemical signals synapse, electrical signals, neurotransmitters

Which of the following words identify a question as absolute