Answer:
plate tectonics
viscoelastic
isostatic equilibrium
asthenosphere
This theory explains how the tectonic plates in the lithosphere able to move freely on the asthenosphere. The lithosphere is less dense than the asthenosphere. There is an equilibrium of the buoyancy between the lithosphere and asthenosphere
Explanation:
Just finished on Penn foster this is correct :)
Answer:
Niacin can be prescribed to therapeutically lower cholesterol levels.
Explanation:
Niacin, known as vitamin B3, is used to reduce the risk of heart attack or stroke in people with high cholesterol. Niacin has gained popularity in the last 50 years and is mainly used to raise the level of HDL (high density lipoprotein) cholesterol, also known as good cholesterol and lowering bad cholesterol levels.
However, niacin can cause health damage, so it should always be used with medical supervision.
The answer is Ivory.
Made from the teeth and tusks of large mammals, most frequently elephants,<u> ivory </u>is extremely rare to come by today
What is ivory?
Ivory is a tough, white substance made up of the tusks and teeth of animals, generally those of elephants. Dentine, one among the physical components of teeth and tusks, makes up the bulk of ivory.
No of the origin species, the teeth and tusks of mammals have the identical chemical makeup.
The term "ivory" are often used to refer to any mammalian teeth or tusks of commercial importance that are large enough to be carved or scrimshawed because the trade in some teeth and tusks other than elephant's is well established and ubiquitous.
In addition to natural ivory, synthetic ivory also can be made, therefore it's not necessary to remove the substance from animals (unlike natural ivory). Tagua nuts are often carved to resemble ivory as well.
To learn more about ivory :
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Answer:
Modern light microscope
Explanation:
because light microscope has course adjasment
