<span>Russia was the other country which threatened Spanish settlement in western North America. Peter the Great ordered the exploration of North America and laid claim to much of the western North America coast</span>
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D, oil was discovered on the Arabian peninsula.
Answer:
3. 3-D Printing.....You probably didn’t know that what’s now known as 3-D printing began in the early 1980s with a process called selective laser sintering. University of Texas alum Carl Deckard began inventing the process, commonly referred to as SLS, while he was still a graduate student.
Explanation:
The answer that your looking for is c. "aquaculture." I hope this proves helpfull!
