A Radioactive Material Has a Half Life of 20 Seconds

question 31

Multiple Choice

A radioactive material has a half life of 20 seconds.If the initial amount of material is G grams,how much will be left at the end of one minute?

• A)G/3
• B)G/4
• C)G/6
• D)G/8
• E)G/16

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Definitions:

Cell

The basic structural, functional, and biological unit of all living organisms, acting as the building block of life.

Extinction Rates

The rate at which species disappear from Earth, often accelerated by human activities, leading to biodiversity loss.

Mass Extinction

Significant and widespread loss of species across multiple ecosystems within a short geological period, often due to catastrophic events or human activities.

Range of Tolerance

The range of environmental conditions that are tolerable for survival in a species.