The Ozone Layer Is Important Because

question 45

Multiple Choice

The ozone layer is important because

• A)ozone absorbs low energy radiation which warms the troposphere.
• B)ozone purifies the atmosphere by reacting with excess fluorocarbons.
• C)ozone absorbs ultraviolet radiation.
• D)ozone reflects high energy radiation such as X-rays and gamma rays.
• E)humans need to breathe air containing some ozone.

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Definitions:

Zener Diode

Specialty diode designed to reverse-bias conduct only after a specific voltage value is attained. Used in electronic voltage regulators.

Voltage Regulator

An electrical device designed to automatically maintain a constant voltage level, ensuring electrical stability.

Semiconductor

Material that can act as conductors or insulators depending on how its structure is arranged; elements that have four electrons in the valence shell.

Silicon

A chemical element with symbol Si, widely used in semiconductors and electronics for its properties of conductivity and resistance.