Fossils Used to Define and Identify Geologic Periods Are ________

question 19

Multiple Choice

Fossils used to define and identify geologic periods are ________ fossils.

• A)body
• B)index
• C)trace
• D)stromatolite

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Definitions:

Risk-Averse

Describes individuals who choose to reduce risk when that reduction leaves the expected value of their income or wealth unchanged.

Income Curve

The income curve, in economics, typically relates to a graphical representation showing how a change in income affects consumption or purchasing patterns of individuals or households.

Expected Value

A statistical concept that calculates the average result of a random event when the process is repeated many times.

Double or Nothing

A gamble or risk in which a person has the chance to either double their money or lose it all.