For Life to Have Existed Continually on the Earth for the Past

question 86

Multiple Choice

For life to have existed continually on the Earth for the past 4 billion years, the oceans must have been

• A) completely liquid for this entire time
• B) frozen for most of this time
• C) partially liquid for most of this time
• D) partially frozen for most of this time

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Definitions:

Russell 2000

A gauge that tracks the performance of around 2000 of the smallest American firms listed in the Russell 3000 Index.

S&P 500

A stock market index tracking the performance of 500 of the largest companies listed on stock exchanges in the United States.

DJIA

Dow Jones Industrial Average, a stock market index that measures the stock performance of 30 large companies listed on stock exchanges in the United States.

Lloyds of London

A British insurance and reinsurance market, where members join together as syndicates to insure and spread risks.