Biology

Biology, 11.10.2019 00:00, trevorpeterson20

How old is a rock that has 70% of it's original k-40

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History, 03.07.2019 05:30, alejosy50

The law that states that rock layers closest to the surface are the youngest rock is the law of original horizontality law of superposition law of original lateral continuity law of gravity and oppositional force law of cross-cutting relationships

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Mathematics, 12.07.2019 03:20, chem1014

Acertain element has a half life of 2.5 billion years. a. you find a rock containing a mixture of the element and lead. you determine that 55? % of the original element? remains; the other 45? % decayed into lead. how old is the? rock? b. analysis of another rock shows that it contains 5? % of its original? element; the other 95? % decayed into lead. how old is the? rock?

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Biology, 29.07.2019 13:30, denvontgekingice

The law that states that rock layers closest to the surface are the youngest rock is the law of original horizontally law of superposition law of original lateral continuity law of gravity and oppositional force law of cross cutting relationships

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Biology, 06.11.2019 21:31, ashiteru123

Which of the following is true about the rock shown in the image above? a. the rock crystallized from magma deep below the earth's surface. b. some of the original materials that formed the rock were made by living organisms. c. the rock originally formed in a desert setting. d. it is a metamorphic rock that formed from a volcanic rock.

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