Vocabulary 4 Unit 2
granite: a very hard, grey, pink, or black rock, used for building
is a noun. Al-rich relic material from the formation of the rapakivi granite melt is another source of assimilation.
limestone: a white or light grey rock that is used as a building material and in the making of cement
is a noun. The margins of some of the limestone blocks are slickensided
sorry teacher por enviarlo tarde
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