The Box Numbered 2 Represents Which of the Following

question 23

Multiple Choice

The box numbered 2 represents which of the following?

• A)the cycling of energy
• B)decomposers acting on all parts of the system
• C)the cycling of matter
• D)gases in the atmosphere that can block sunlight

---

Definitions:

Unknown Quantity

A variable or value in mathematics and science that is not specified or determined, often represented by letters such as x or y in equations.

Proportion

A part or share of the whole, often used in statistics and mathematics to describe the relationship between numbers or quantities.

Lowest Terms

The simplest form of a fraction when the numerator and denominator are reduced to their smallest possible numbers.

Ratio

An expression that compares two quantities in a specified order.