Answer:
Deep inside Earth, between the molten iron core and the thin crust at the surface, there is a solid body of rock called the mantle. When rock from the mantle melts, moves to the surface through the crust, and releases pent-up gases, volcanoes erupt.
Explanation: hot molten rock, ash, and gases escape from the volcano
Answer:
El enlace iónico se forma por transferencia de electrones entre metales y no metales. El enlace covalente se forma al compartir electrones entre no metales.
Explanation:
A triple beam balance is used to measure mass
I don't understand what you mean??
A physical change.
Physical change = can be reverted + doesn't change substance
Chemical = changes substance