Answer:
c
Explanation:
there is no image but i always say c
C. urban areas I hope the answer was right if not sorry
The density of air in a limited amount of space.
I would say the topic of such a study would be paleomagnetism and perhaps its effect on plate tectonics because when the seafloor spreads at the mid-ocean ridges, magnetized stripes of rock, symmetrical on either side of the trench form and they record changes in the earth's magnetic poles at certain times so can be dated to help show the rate of spreading of the seafloor at these locations.
When you are in danger in unknown territory, for example you’re flying a plane and you don’t know where you are doing and get lost. The flight controller may be able to find your location and save you.