Anatural region includes a: a- plateau b- city c- garden

ANSWER:

A natural region includes a plateau.

EXPLANATION:

Plateau is a high land that has the plain surface at top but is in higher level than other lands. Plateau is a natural process by the deposition of masses like stones, sand and rocks. It takes thousands of years to form a plateau. Other options are fully man made like city and garden but plateau is continuous and natural process. The Tibetan Plateau is one of the example of natural region i.e. Plateau.

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