" It helps readers to better imagine the motionlessness of the moon in contrast to the movement of the dune grass." "
Answer:
Third person limited
Reason:
First person tells your own story and uses “I” or “Me”
Second person tells you your story and uses “You” “You’re” or “Your”
Third Person Limited uses “she, him” and tells one person’s thoughts and feelings
Third Person Omniscient uses “she, him” and tells all thoughts and feelings
I think for this one, it is he devoted himself to scientific research.