My guess would be D. Agriculture.
The Mississippi river is the longest river in the USA
Its 2348 miles long
The current<span> begins when the air over the hot sand is heated and begins to rise because of its lowered </span>density<span>. That is a sea breeze.</span>
Land: Elephant (grasslands/forests), Rhinoceros, Lion, Tiger (forests), Fox, Jackal, Buffalo
Water: Crocodile (swamps/rivers), Dolphin (freshwater rivers), Chromide, Turtle
Air: Vulture, Peacock (dry lowlands/forests) , Pigeon, Owl, Hornbill, Blue Mormon (heavy rainfall areas)
P waves would arrive first because they are significantly more faster than the S waves.