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At Wal-Mart,Randi Saw a Bag of Daffodil Flower Bulbs and a Box

question 57

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At Wal-Mart,Randi saw a bag of daffodil flower bulbs and a box of plant fertilizer.The items,which were sold together,retailed at $28.50,but were marked down to $19.99.The $19.99 is the:


Definitions:

Germanium

A chemical element with the symbol Ge and atomic number 32, a metalloid used in semiconductors and fiber optics.

Neutrons

Neutral particles found within an atom's nucleus, not possessing any electric charge and contributing to the atom's mass.

Cobalt

A chemical element with symbol Co, known for its magnetic properties and used in alloys, batteries, and as a pigment.

Isotope

Variants of a particular chemical element that differ in neutron number, and consequently in nucleon number, but not in proton number.

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