The inner core is solid because it is made of very dense, or heavy, materials - like iron and nickel. Even though it is very hot, these materials don't "melt" very easily, so they stay solid. Also, pressure due to the weight of the mantle and crust, atoms are forced together as solid.
Answer:Why are many fishing boats found near ocean upwellings?
Many marine species gather there to eat the nutrients brought to the surface.
Explanation:
M
Because I took this class last year
But I’m also guessing
