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7nadin3 [17]
3 years ago
15

Blasting a hole in a mountain in order to build a railroad is an example of which theme of geography

Biology
2 answers:
Nataly [62]3 years ago
5 0
Performing a cut (also known as earthmoving)

GrogVix [38]3 years ago
5 0

d. human environmental interaction

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In hemoglobin, carbon dioxide reacts with water to form bicarbonate ions and hydrogen ions.

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Scientists mostly gain new knowledge through direct observation and applying the scientific method. They would start with a hypothesis and test it, then change it or confirm it. Others would test their confirmation from one point, while the third group would test what the second said. And so on and so forth.

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