Scientists use models for many reasons. What is one of those reasons? Scientists use models for many reasons. What is one of those reasons?

Reason 1: Models are used to represent things too small to see without powerful technology. Reason 2: Models are used to scale down things too large to see as a whole, or hold and manipulate for studying purposes. Reason 3: Models are used to represent things no longer around or available

Explanation:

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the arctic is a region of the planet, north of the arctic circle, and includes the arctic ocean, greenland, baffin island, other smaller northern islands, and the far northern parts of europe, russia (siberia), alaska and canada.