Answer:
Lol what's your question?
Explanation:
A sphere cut in half? Idk man lol
They are mid-ocean ridges<span>, which </span>form<span> where two tectonic plates are spreading apart, which is called seafloor spreading. Tectonic plates are large pieces of the earth's crust, and they interact in a number of ways. Where they pull apart is called a divergent plate boundary.</span>
The answer for this qn is D.