How do commodity chains begin?
A) the extraction and production of raw materials
B) the manufacture and export of commodities
C) high wage, semi-skilled assembly of consumer products
D) the delivery and consumption of finished commodities
E) none of these
Answer: A
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Which statement is an example of a chemical change?
A. Confetti is cut from pieces of paper. B. Water evaporates from a lake. C. Ice cubes are formed in the freezer. D. A plant converts carbon dioxide into carbohydrates. E. A tree is cut down in the forest.
Which physical feature represents the true transition from the continent to the ocean basin?
A) The shoreline B) The continental shelf C) The continental slope D) The continental rise E) The deep-ocean floor
Which enzyme is involved in the conversion of phosphoenolpyruvate to pyruvate?
A) enolase B) ketolase C) pyruvate kinase D) pyruvate oxidase
Consider a substance that has high heat capacity. As compared to a substance with low heat capacity, when an equal amount of heat is applied to both, the high heat capacity substance will __________.
-become more salty -turn to a liquid -become so viscous that it won't flow -explode -heat up much more slowly