Biology, 22.01.2021 18:50 AshlynPlayz45
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Some rock layers form when sediment is deposited in deep water, while other rock layers form when sediment is deposited in shallow water. If a rock column shows deep-water rock layers covered by shallow-water rock layers, then sea level has decreased at that location over time. Which sequence of rock layers provides the best evidence that sea level has decreased over time at a given location?
A.) Layers of shale with dinosaur tracks are covered by layers of shale containing plant fossils
B.) Layers of glassy lava from a shield volcano are covered by granite with large quartz crystals
C.) Limestone layers containing fish fossils are covered by sandstone layers with fossils of broken shells
D.) Sandstone layers with wave-ripple marks are covered by thick layers of quartzite
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Biology, 22.06.2019 03:30
Cold case files recently began re-investigating an old murder case. the murder took place in the park; a young man, james, was hit over the head with a brick and killed. police suspected the jealous former boyfriend of james' wife, karen. whoever killed james may have washed their hands in a near-by bird bath as detectives found blood in the bird bath. since the murder took place before dna fingerprinting was available, the suspected killer, ronnie, went free. detectives are now reviewing the blood evidence using dna fingerprinting. based on the dna fingerprints of all possible suspects, who is james' killer?
Answers: 2
Biology, 22.06.2019 05:40
Which of these substances does not protect against invaders in the nonspecific immune response? a. saliva b. mucus c. tears d. urine
Answers: 1
Biology, 22.06.2019 06:30
Explain how scientists use geologic time to determine the age of landforms.
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Biology, 22.06.2019 06:40
Which scientific design has both practical limitations and limitations due to scale? studying the effect of bleach on the growth of mold spores exposing cultures of duckweed to different intensities of light observing the replication of dna molecules with a hand lens using colored marbles to model a cross between two colors of rabbits
Answers: 2
HELP NEEDED ASAP PLZ
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