Answer:
Neptune
Explanation:
The object, which the researchers have nicknamed Planet Nine, has a mass about 10 times that of Earth and orbits about 20 times farther from the sun on average than does Neptune (which orbits the sun at an average distance of 2.8 billion miles).
Hope this helps! :)
Its called a landmass
Basalt is the rock that makes up a majority of the oceans floor!
