The atomic bonds within a mineral generally determine which wavelengths of light will be absorbed and which will be reflected. Those wavelengths that are reflected back to our eyes determine the color of the mineral.
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On the north american continent, 6 cratonic sequences have been recognized.
More about cratonic sequences:
A complete cycle of marine transgression and regression on a craton (block of continental crust) over geologic time is represented by a cratonic sequence, a very large-scale lithostratigraphic sequence in the rock record. Megasequences, stratigraphic sequences, Sloss sequences, supersequences, or just "sequences" are other names for cratonic sequences.
They are geologic proof that the relative sea level has been transgressing and regressing, depositing different sediment layers onto the craton, which are now expressed as sedimentary rock. The differences between the strata that were deposited throughout time as the ancient environment changed are seen in places like the Grand Canyon as a good visual representation of this process.
Learn more about cratonic sequences here:
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Answer:
Its body temperature goes down.
Explanation:
While in hibernation, a woodchuck's body temperature drops from 99°F to 40°F.
This mammal is known to have hibernation, and traditionally in the United States, it is predicted what the weather will be like. His hibernation lasts up to 5 months, during which time his heart rate can range from 80 to 100 minutes and decrease to 10.
There are many great reasons why we made our government the way we did.(Then put your 3 reasons)
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