Science, asked by sopingmarquez20, 16 hours ago

how do materials/substances become harmful to human and in the community

Answers

Answered by sudiptosahadipto
1

Answer:

Toxic materials are substances that may cause harm to an individual if it enters the body.

Explanation:

Toxic materials may enter the body in different ways. These ways are called the route of exposure. The most common route of exposure is through inhalation (breathing it into the lungs).

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