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3 years ago

15

Centered around hudson bay in north america and extending to greenland, the ________ shield is composed of precambrian rocks tha

t cover 2.8 million square miles.

1 answer:

Alecsey [184]3 years ago

5 0

Canadian shield is composed of Precambrian rocks that cover 2.8 million square miles.

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2 years ago

1. What percentage of Earth’s total freshwater supply is groundwater? 2. What share of Earth’s liquid freshwater is groundwater?

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