Most likely clay, silt and sand are to be found in samples of rocks.
The development of adaptive traits is a result of natural selection, one of the main mechanisms underlying evolutionary change.
Understanding natural selection is also becoming more and more important in real-world settings, such as resource management, agriculture, and medicine. Even among people with postsecondary physical education, studies show that natural selection is generally very poorly understood.
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The vegetation of the tundra is composed of shrubs, grasses, mosses, lichens. Tree vegetation is very rare because of low temperature and short growing season.
The vinegar had turned the whites of the egg clear, so you can see in it.
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Answer:
The central nervous system is made up of the brain and spinal cord.
The peripheral nervous system is made up of nerves that branch off from the spinal cord and extend to all parts of the body.