Answer:
b. provided the majority of freshwater resources
Explanation:
they need fresh water
Answer:
Mafic minerals are usually dark in color and have relatively high specific gravities (greater than 3.0). ... Felsic minerals are usually light in color and have specific gravities less than 3.0. Common felsic minerals include quartz, muscovite mica, and the orthoclase feldspars.
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The Polarstern will enter an ice floe and and establish research outposts on surrounding ice sheets to study climate change at the North Pole.
