Country : Brazil
City : Sao Paulo
The demand for goods increased as goods became cheaper to produce. Hope this helps!
Answer:
Viscosity of magma depends mainly on composition, temperature, and gas ...
The arrival on the surface of magma that has lost its gas ..... It is a 0-to-8 index of increasing explosivity.
Most smaller stars don't have a radiative zone. In the radiative zone, the material is hot and dense which enables thermal radiation transfers from the core outward though the Sun. This layer is size dependent therefore smaller stars might not have this zone at all.