Answer: well Geography is a huge subject, and it's broken down into fields and subfields. Let's talk about the three major fields of physical geography: cartography, hydrology, and meteorology
Explanation:
The correct answer is D. ocean floor mapping and earthquake tracking
Tracking earthquakes is helpful because it shows where it came from and what caused it, as well as how it affected the environment, while ocean floor mapping is useful because it shows how the bottom of the sea changed over time which happens due to tectonic activity.
The answers are 10:d 11:c