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Environmental Science: Pollution and Waste

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Environmental Science: Pollution and Waste

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Questions and Answers

What is the definition of pollution?

The introduction of contaminants into the natural environment that cause adverse change (correct)

The creation of energy from natural resources

The introduction of useful substances into the environment

The creation of useful materials from waste

What can pollutants be?

Only naturally occurring contaminants

Neither foreign substances/energies nor naturally occurring contaminants

Either foreign substances/energies or naturally occurring contaminants (correct)

Only foreign substances

What is waste?

Something that is always useless

Something that is always useful

Something that is only useful in certain situations

Something that is discarded after primary use, or is worthless, defective and of no use (correct)

Why is one person's idea of waste not necessarily the same as another person's?

Because one person might have a different opinion on what is useful and what is not Signup and view all the answers

What is a re-engineered product?

A product that has been significantly redesigned, with improved engineering, from its original form Signup and view all the answers

What is the primary difference between a re-engineered product and its original form?

Improved engineering Signup and view all the answers

What types of contaminants can cause adverse change in the natural environment?

Chemical substances or energy, such as noise, heat or light Signup and view all the answers

What is the key characteristic of waste, regardless of its perceived value?

It is discarded or deemed unusable Signup and view all the answers

How do pollutants affect the natural environment?

They cause adverse change Signup and view all the answers

Why is it important to consider the subjective nature of waste?

To recognize that one person's waste may be valuable to another Signup and view all the answers