World Geography
The metamorphism which involves the chemical replacement of elements in rock minerals when gases and liquids permute into bedrock is called

dynamic metamorphism
thermal metamorphism
metasomatic metamorphism
contact metamorphism

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World Geography
Which of the following term is applied to the people of mixed European and American Indian blood in North America?

Aborigines
Bantu
Amerinds
Apache

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World Geography
The Penumbra is

the outer portion of the moon's shadow
both (a) and (b)
formed by the tangent that intersects between the sun and the moon
None of these

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