Answer:
Section 1 is the upper course (think high up in the mountains). Section 2 is the middle course (where it comes down into the lowlands). Section 3 is the lower course (where it is at its widest and most powerful and enters the sea).
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D. Regional C
Correct me if I’m wrong
uplift-weathering-erosion-subsidence
Explanation:
When the new star reaches a certain size, a process called nuclear fusion ignites, generating the star's vast energy. The fusion process forces hydrogen atoms together, transforming them into heavier elements such as helium, carbon and oxygen.
