Attempts to Measure the Age of Earth by Extrapolating Modern

question 42

Multiple Choice

Attempts to measure the age of Earth by extrapolating modern riverine influx rates into the past to produce modern marine salinity from an initially freshwater ocean failed to take into account that ____________.

• A)salt is removed through precipitation,balancing riverine input
• B)dissolved salts from weathering of rock only rarely are transported all the way to the ocean
• C)salts derived from the weathering of rock are insoluble in water

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