Many Elements in Seawater Are Found in Constant Ratios Throughout

question 36

Multiple Choice

Many elements in seawater are found in constant ratios throughout the ocean because

• A) The input of dissolved substances from rivers is broadly constant throughout the ocean
• B) Dissolved material in the ocean has been there for millions of years, with no input or removal
• C) They remain in the ocean longer than the mixing time
• D) This is not true; no elements are generally found in constant ratios

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