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svetlana [45]
3 years ago
10

Pumice is a lightweight rock that sometimes forms when lava is very rich in _____. A. silica B. gases C. feldspar D. volcanic gl

ass
Geography
1 answer:
dalvyx [7]3 years ago
6 0
Pumice is a lightweight rock that sometimes forms when lava is very rich in volcanic glass. The correct option among all the options that are given in the question is the last option or option "D". It is a rough textured and highly vesicular rock. It is mostly light colored rock and might not contain crystals. 
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Using complete sentences, describe what present-day Canada and the United States looked like just prior to conta between Europea
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Present-day Canada and the United States, prior to the contact between the Europeans and Native Americans were very different places. The Native Americans were in very large numbers, though much more in the US and less in Canada. There were a lot of thriving civilizations across the continent, and the different groups of people had different lifestyles.

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