The human nervous system starts to form very early in the embryo’s development. At the end of the gastrulation phase, an elongated structure, the notochord, is laid down. The embryo thereby changes from a circular organization to an axial one—a critical step in the development of its nervous system.
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The weat coast if the United States has a active margin, where thr coastline corresponds with the boundary between the Pacific and North American plates
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Answer:
Cancer develops when the body's normal control mechanism stops working. Old cells do not die and instead grow out of control, forming new, abnormal cells. These extra cells may form a mass of tissue, called a tumor. Some cancers, such as leukemia, do not form tumors.
Explanation:
Answer:
True
Explanation:
When an environment with a lot of ice such as a mountainous place or Antarctica, global warming can cause the ice to melt. This new water has to flow somewhere, most likely to the nearest body of water like the seas.