The Mass Number Is Defined as the Number Of

question 47

Multiple Choice

The mass number is defined as the number of:

• A) electrons.
• B) protons.
• C) neutrons.
• D) protons and neutrons together.

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Definitions:

Pollution Emissions

Refers to contaminants or pollutants released into the environment, usually from human activity, that can harm human health and the ecosystem.

Efficient Level

The optimal point of production or consumption, where resources are utilized in the most effective manner, minimizing waste and maximizing benefit.

Pollution

The contamination of the natural environment by substances or energies that cause adverse effects on living organisms and ecosystems.

Marginal Social Benefit

The increased benefit for the public from producing or consuming an extra unit of a good or service.