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SeasThe energystored in coal andpetroleum originallycame to the earth.from thesun. Thebulk of the present-day supplies was laid downsome 200 to600 million yearsWhen tropicalconditions were widespread Lush, swampy,forests produced huge trees warmcoastalswarmed with microscopic forms oflife . When theseorganism's died, much oftheir fissue recycled as it is today.through scavenging and decay. But a sing-andanimal materialcovered with mud,whichprevented complete decomposition:With thepassageof time layerupon layer of the finesediment wasdeposited over the onee - living materialithe sheer weight turned thewaswas1. questions a. read the passage carefully.suggest a title and make notes on it.b.write the summary of the passage.c.provide sub title for each paragraph |
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