<span>Interferometry
Hope this helps</span>
The Appalachians are the surrounding landscape near the Atlantic coast and known to be the highest peaks in Canada.
Answer:
divergent boundary
Explanation:
The South American and African plates moved apart as a divergent boundary formed between them and an ocean basin formed and spread.
1. -18-6x=6+18x
-18-6=18x+6x
24x=-24
x=-1
2.8x-6-8=4+2x
8x-2x=18
6x=18
x=3
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