Answer:
b. 1 770 kWh
Explanation:
The heat needed to change the temperature of a certain amount of a substance is given by:
Here m is the mass of the susbtance, C is the specific heat of the substance and 
is the temperature change
Recall that one watt hour is equivalent to 1 watt (1 W) of power sustained for 1 hour. One watt is equal to 1 J/s. So, one watt hour is equal to 3600 J and one kilowatt hour is equal to 
I’m so sorry, I need more information. Good luck and I’m sorry I couldn’t help you :(
Answer:
the air has to be unstable as well as it needs to be moved upwards.
Explanation:
it needs to be moved upwards and also needs to have unstable air.
Steel is the correct answer because steel when on being applied heat will either change its state that too after hours because of its melting point being high or remain in that position only whereas wood turns into ashes...that is why we use metal utensils in the kitchen
