When heat energy is increased for a substance the ?

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molecules speed up

Step-by-step explanation:

temperature has a strong affect of the movement of molecules

"When heat energy is increased for a substance the __energy will be transferred from the warmer object to the cooler one__."

hi do you need an answer for your question?

step-by-step explanation:

answer: 4  

the square root of 16 is 4. it is a very simple mathematic concept. a square root when a number multiplied by itself will result in a number. here, the number 16 comes when 4 is multiplied by 4. hence the square root of 16 is 4. you can always figure out a square root by the inverse operation of squaring.