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The sediment will pack together with other sediment and eventually harden into rock.
It is called a biotic community, where animals and plants live together. They share, the same habitat and interact with each other.
Well sure. There are many commercials now a day that have been done away with and some that are more commonly used because of the way that society has grow and developed and shaped into different ways. For instance, it is more common for sex to be used to sell a product where as in the 1960 it was less common to find any mention of sex.
