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When an object is heated it …………… and when it cools it …………………..
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When an object is heated it …………… and when it cools it …………………..

User Dinesh Deshmukh
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Answer:

When an object is heated it Expand and when it cools it Contract

Step-by-step explanation:

One of the effect of heat on matter is expansion. An increase in the temperature of an object causes it to expand and a decrease causes it to contract

User Pranjay Kaparuwan
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