C.) South Korea would be the answer.
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Soils form from the interplay of five main factors namely Parent material, Time, Climate, Relief and Organisms. Parent material: This refers to the mineral material, or organic material from which the soil is formed.
Answer: How explosively or quietly a volcano erupts is not affected by the:
C) concentration of dissolved gases in the magma.
Explanation: Therefore, when a volcano is explosive or less explosive, is as a result of the composition of magmas in different areas or location.