Which of the following is a mineral?
A) Ice
B) Crystals grown in a laboratory
C) Volcanic glass
D) Material with crystals of different chemical compounds
E) None of these are correct.
Answer: A) Ice
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For the following reaction, identify whether the compound in bold is behaving as an acid or a base. H3PO4 + H2O ? H2PO4- + H3O+
A. acid B. base C. neither D. both E. none of the above
Polychaetes are the most successful worm phyla, being found in terrestrial, aquatic, and marine environments
Indicate whether the statement is true or false
The phosphorus in all biological tissues can traced back to ________
A) atmospheric phosphorus gas B) volcanic activities C) phosphorus weathered from rock D) phosphorus dissolved in the ocean and taken up by shellfish E) phosphorus in animal bones
The new international division of labor reflects the growing importance of
A) outsourcing. B) vertical integration. C) access to raw materials. D) new infrastructure. E) just-in-time inventory management.