Answer:
International integration refers to the process by which supranational institutions replace national ones. Supranationalism challenges the foundations of realism (state sovereignty and territorial integrity) because the sate authority is subordinated to the global structure it can be perceived as giving up sovereignty.
Explanation:
In a time before railroads and highways, the Great Lakes and St. Lawrence River served as the primary transportation system. Many of North America's largest cities were established along the waterway as commerce flourished between their ports. Today, Great Lakes-Seaway shipping is equally important.
C is correct!
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Answer:
Each cell expresses, or turns on, only a fraction of its genes. The rest of the genes are repressed, or turned off. The process of turning genes on and off is known as gene regulation. ... Gene regulation also allows cells to react quickly to changes in their environments.
