Solve Using the Multiplication Principle

question 107

Multiple Choice

Solve using the multiplication principle.
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Definitions:

Foam Insulation

A type of building insulation that is made from various types of foam and is used to reduce heat transfer.

Colourless Gas

A gas that does not have any color visible to the human eye, which can be natural or man-made.

Thermal Inversion Layer

A weather phenomenon where a layer of warm air traps pollution and cooler air beneath it, often leading to poor air quality.

Pollutants

Substances introduced into the environment that cause harm or discomfort to the ecosystem or living organisms.