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Biology, 21.06.2019 23:30
The table shows dates and appearance of index fossils. which rock layers can be dated most precisely? a) a layer containing both a fossil 4 and a fossil 3 b) a layer containing both a fossil 2 and a fossil 3 c) a layer containing both a fossil 1 and a fossil 4 d) a layer containing both a fossil 1 and a fossil 2
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Biology, 22.06.2019 00:30
What was the land like over 500 million years ago? what was under the sea?
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Biology, 22.06.2019 02:30
Contrast how pollination is different among gymnosperms and angiosperms.
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In regions near the equator, the ocean absorbs large amounts of heat from the sun during the day. wh...
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