Relier Pairs Match the Rocks to the factsVersion en ligne Teaching you facts about rocks! par Becky Hull 1 2 3 4 5 6 ____________ _________ most abundant and economical fossil fuel available on the earth. __________ glows when it is exposed to UV light. __________ one of the first metals to have been used by humans. ________ organic-rich fine-grained sedimentary rock containing kerogen. __________ is derived from a German word meaning to split __________ can be found in locations which have experienced rhyolitic eruptions.
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