Biology, 27.06.2019 21:10 adrianvigil6400

Impressions of tropical swamp plants were observed on rocks in polar regions. the impressions were dark black imprints, which means the fossils are examples of blank 1 . the fossils tell us that polar regions blank 2 .
question 1
a.) carbonization
b.) mineralization
c.) trace fossils
question 2
a.) had a tropical plant that could grow in ice
b.) might of had a different climate in the past
c.) will have abundant vegetation

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Impressions of tropical swamp plants were observed on rocks in polar regions. the impressions were d...