OIL petroleum and other gas
Answer:
wireless communications and electronic commerce.
Explanation:
Took a test and got it right.
Funny that Canadians is an option. It is <span>b.homo erectus
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Answer:
Theodore Roosevelt is often considered the "conservationist president." Here in the North Dakota Badlands, where many of his personal concerns first gave rise to his later environmental efforts, Roosevelt is remembered with a national park that bears his name and honors the memory of this great conservationist.