The Oldest Fossils on Earth

question 54

Multiple Choice

The oldest fossils on Earth

• A)show that life began in Africa.
• B)show that life began in lush regions between large rivers.
• C)show that life began in the oceans.
• D)are at least 5 billion years old.
• E)at most 5 million years old.

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Definitions:

Women

Adult human females.

Modifiable Risk Factors

Aspects of personal behavior or lifestyle, environmental exposure, or genetic susceptibility that can be altered to reduce the risk of disease.

Cigarette Smoking

The act of inhaling and exhaling the smoke of burned tobacco that may contain additives, which is known to cause several health problems, including cancer.

Body Mass Index

A metric for assessing body fat, using both height and weight, designed for use in adults of either sex.