Earth is composed of four main layers, starting with an inner core at the planet's center, enveloped by the outer core, mantle, and crust. The inner core is a solid sphere made of iron and nickel metals about 759 miles (1,221 kilometers) in radius.
source: nasa
Big Bang theory<span> says that our </span>universe began<span> 13.7 billion years </span><span>ago</span>
Answer: it will be called wind i think .
Explanation:
