What is the main source of UV rays?

Lightning

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Sun

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Fluorescent lamp

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Nuclear reactor

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Solution

The correct option is B
Sun

Sun is the main source of UV rays. UV rays burn the skin and can cause skin cancer. It is the ozone layer that protects us from the harmful UV rays.

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What is the main source of UV rays?

The correct option is B Sun Sun is the main source of UV rays. UV rays burn the skin and can cause skin cancer. It is the ozone layer that protects us from the harmful UV rays.

The correct option is B
Sun

Sun is the main source of UV rays. UV rays burn the skin and can cause skin cancer. It is the ozone layer that protects us from the harmful UV rays.