Mercury is a metal that is liquid at room temperature. It has a density of 13.7 g/cm3. Older American pennies are made mostly of copper and have a density of 8.8 g/cm3, newer pennies are made mostly of zinc and have a density of 7.2 g/cm3. What will happen to a new and an old American penny if dropped into a beaker of mercury?

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theresa talked her parents into getting sd cards for her phone and her brother’s phone. inserting an sd card into a phone gives it more storage. they both get 8-gigabyte sd cards. how many bits of storage come with each sd card? type your answer in both scientific and standard notation.

pakistan's principal natural resources are arable land and water. about 25% of pakistan's agriculture accounts for about 21% [1] of gdp and employs about 43% of the labour force. in pakistan, the most agricultural province is punjab where wheat and cotton are the most grown.

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