What is a central idea of “Satellite Tagging”?

A Scientists are constantly developing new ways to study
animal habitats.
B Scientists use satellites to create images of the ocean floor to learn
about animal habitats.
C Scientists tag ocean animals to analyze the causes of certain
migration patterns.
D Scientists utilize electronic tags and satellite images to learn how to
better protect ocean species.

D Scientists utilize electronic tags and satellite images to learn how to better protect ocean species.