A Change in Power from 100 W to 1 W

question 8

Multiple Choice

A change in power from 100 W to 1 W corresponds to approximately ________ decibels.

• A) 10
• B) 20
• C) -10
• D) -20

---

Definitions:

Equilibrium

Equilibrium refers to a state of balance between opposing forces or actions, such as in chemical reactions reaching a state where forward and backward reaction rates are equal.

Oxygen Concentration

The amount of oxygen present in a given environment or substance, typically measured in percentages or parts per million (ppm).

Active Animal

Refers to animals that display high levels of movement or physical activity, often in search of food, mates, or as a means of avoiding predators.

Lungs

Pair of respiratory organs in the chest of vertebrates that facilitate gas exchange between the atmosphere and the blood.