Should be A I hope this helped.
C. I believe because when you graph -4 and -2 it should make probably a straight line
Answer:
equator
Explanation:
Equator divides the Earth into Northern hemisphere and Southern hemisphere.
With the water underneath and no wind or ice underneath(unless the water freezes) the water would rub against the dirt, rock, and limestone, eroding and burning away, only to be left with a cave of limestone.