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.
It travels from the Gulf of Mexico and brings warm water to the Atlantic Ocean up the east coast of the us
The challenges range from terrorism and violent extremism, to piracy, political instability, elections-related violence, drug trafficking or deadly viruses.
Answer:
Decrease R1400 in the ratio 7:3
I think it would be false because it realates with respiratory
