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Answer:</h2>
Removal of the tarnish from the silver is a <u>physical change</u>.
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Explanation:</h2>
The type of change which doesn't produce any new substance is called as physical change. Tarnish refers to the thin black layer that is formed on the silver. Formation of tarnish is chemical change as due to oxidation a black color layer is formed.
On the other hand, removal of tarnish from silver is considered as physical change as no new product is formed and only we are obtaining the silver in its pure form.
<span>When comparing lakes and oceans, most lakes have : A ) lower levels of salt
-Hope this helps.</span>
After a large meal, the sugar level in our body increases. Insulin helps in reducing or leveling it off. Our cells need sugar for energy, but sugar in the blood is not readily accessible by cells. Release of insulin from the pancreas assists the sugars in entering the cells. If there is an excess in sugar, insulin also helps in storing the excess in the liver until it is needed by the body.