The FIRST Complex Multicellular Organisms Appeared Approximately _____ Million Years

question 90

Multiple Choice

The FIRST complex multicellular organisms appeared approximately _____ million years ago.

• A)50
• B)580
• C)1800
• D)2400

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Definitions:

Algebraic Expression

A combination of numbers, variables, and operations (such as addition, multiplication) that represents a specific value.

Cash Register

A machine used in retail to calculate and record sales transactions and to store money.

Quarters

Refers to a fourth part or division of something, often used in the context of fiscal or academic periods.

Algebraic Expression

A mathematical phrase that can contain ordinary numbers, variables (like x or y) and operators (like add, subtract, multiply, and divide).