Internal-existing or located on the inside of something
External-belonging to or forming the outer surface or structure of something.
Is whaterver we dont want it to happen
The answer to your question is D. More concisely
Hope this helps:)
It would simply be "They respect each other".
Respect in time tenses is either spelled, "Respected", "Respect", or "Will Respect."
The fact that it's third person does not change the word since it can be said as "I respect you", "You respect yourself" "They respect each other"
Yes it does why is this pika test or what