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glass can be organic.
brick is manmade
steel can be organic
They are not naturally occurring
The brick, the water in a glass and the air in a balloon represent the three "basic" states of matter - solid, liquid and gas.
brick comes from a farm
steel comes from a human body
glass comes from the sea
First you need to make a brick house from brick and cement, then add glass to the brick house to make a skyscraper.