Describe in your own words how the earth's layers were formed.

It starts from the centre.The inner core.The outer core.The mantle .And the crust.They formed as the building blocks of earth.Knownas planetesimals collided and collapsed under Thier own gravity around 4.5 billion years ago

Non metal is an element or substance that is not a metal metal is a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivitymetalloid is an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.