This selection is mainly about the
A electronic devices scientists use to learn more about real-life sea creatures.
B unexplained mysteries in the deepest depths of the world’s bodies of water.
C advances in gear that change the way marine biologists study the sea.
D most famous fresh-water monster and false claims of sightings over the years.
The correct answer is C advances in gear that change the way marine biologists study the sea.
This option suggests that the selection focuses on the technological improvements that have enhanced the study of marine life, aligning with the common themes explored in marine biology texts about research methodologies and equipment. If you have any more questions or need further explanation, feel free to ask!