Study all your notes. Notes are always the way to go.
Answer:
my answer would be the 3rd one about blocking it.
Answer: Germanyyyy
Explanation: Google helped :)
Answer:
2.) change temperature
Explanation:
I think this is the best option but specific heat is the heat required to raise the temperature of the unit mass of a given substance by a given amount. You can find the definition on the internet.
