<span>I think this question is not worded correctly, as three of these four things are caused by river erosion. River deltas are obviously caused by river erosion. Oxbow lakes occur when a meander of a river (caused by river erosion) is isolated when the river changes course. Alluvial fans are also formations similar to deltas caused by river erosion. The only one which is NOT formed by river erosion is (c) SOIL - soil is formed from inorganic material mixed with the decomposed remains of organic matter.</span>
<span>dorsol hollow nerve chord
notochord (doral, elastic supporting rod)
paired pharyngeal gill slits</span>
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The unified cell theory states that: all living things are composed of one or more cells; thecell is the basic unit of life; and new cells arise from existingcells. Rudolf Virchow later made important contributions to this theory.
Answer:
➢ Badlands National Park also preserves the world's greatest fossil beds of animals from the Oligocene Epoch of the Age of Mammals. ... The Badlands are home to the largest mixed grass prairie in the National Park System and is surrounded by the Buffalo Gap National Grassland. Wildlife roams the park's boundaries as well.