What Environmental Features Were Shared by the Early River Valley

question 28

Multiple Choice

What environmental features were shared by the early river valley civilizations?

• A) warm and dry climate, dry soils, seasonal flooding, and irrigation
• B) cool and wet climate, dry soils, seasonal flooding, and irrigation
• C) warm and dry climate, wet soils, seasonal flooding, and irrigation
• D) warm and wet climate, wet soils, seasonal flooding, and irrigation

---

Definitions:

Contribution Margin Ratio

A financial metric that measures how effectively a company can cover its variable costs with revenue, calculated as contribution margin divided by sales revenue.

Variable Cost Per Unit

The cost that changes in proportion to changes in the level of output or activity.

Income From Operations

The profit realized from a business's ongoing core business operations, excluding deductions of interest and taxes.

Break-even Point

The point at which total costs and total revenue are equal, resulting in no net loss or gain.