The amount of physical material in an object
This is true, think of silver, gold, etc— those are heated to make them liquid
Answer:
The average kinetic energy of the particles in the mug decreases. The average kinetic energy of the particles in the coffee increases. Thermal energy from the mug is transferred to the coffee. Thermal energy from the coffee is transferred to the mug.
It's actually C because the rock cooled fast
Answer:It has the lowest effective nuclear charge of the four new elements.
