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A somatic cell is any type of cell (except for sex cells)
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While active transportrequires energy and work, passive transportdoes not. There are several different types of this easy movement of molecules. It could be as simple as molecules moving freely such as osmosis or diffusion. You may also see proteins in the cell membrane that act as channels to help the movement along. And of course there is an in-between transport process where very small molecules are able to cross asemi-permeable membrane.
In arthropods, such as insects, arachnids and crustaceans, moulting is the shedding of the exoskeleton(which is often called its shell), typically to let the organism grow. ... The new exoskeleton is initially soft but hardens after the moulting of the old exoskeleton.
Answer:
Most sedimentary rocks are formed in level layers. Therefore, the occurrence of tilted rock layers is evidence of mountain building. ... Tilting can also result when rocks are pushed upward, or uplifted. In some areas of the world, rock layers are so severely tilted that they may be bottom side up. Layered rocks form when particles settle from water or air. Steno's Law of Original Horizontality states that most sediments, when originally formed, were laid down horizontally. ... Rock layers are also called strata (the plural form of the Latin word stratum), and stratigraphy is the science of strata.
Answer:
THe answer is B :)
Explanation:
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