<span>Definition of Metallurgy-The branch of science and technology concerned with the properties of metals and their production and purification.</span>
Answer:
The answer is all of the above
Explanation:
Sound has waves which are compression waves and those waves transfer into energy molecules. Sound is heard by human ears. Sound waves can behave in predictable ways. All sound requires a medium through to travel
Answer:
heat flow
Explanation:
heat flow moves to a higher temperature to a lower temperature
