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Polystyrene is a plastic that can be made into many products, which can be dense, or can be in the form of a low density foam, called Styrofoam.
Plastic is bad for the environment and foam isnt
lead is soft and copper is hard
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some are magnetic some arent and the densities are different
Polystyrene is a plastic that can be made into many products, which can be dense, or can be in the form of a low density foam, called Styrofoam.
There is no difference between lead acid accumulator and lead acid battery.
Plastic is bad for the environment and foam isnt
All properties except the glassy state: Styrofoam is made of polystyrene, a solid with the random structure of a liquid. This is called a glassy state or a glas.
lead is soft and copper is hard
i am looking for the answer myself :(
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Lead Time Gap
The block of Styrofoam floats on water while a same size block of lead lies submerged in the water. The buoyant force is greatest on the lead. Compared to an empty ship, the same ship loaded with Styrofoam will float lower in the water.
there isn't one
lead is more dense
one is lead by a scented candle the other is lead by Tom Cruise