About What Percent of Earth's Surface Is Covered by Land

question 170

Multiple Choice

About what percent of Earth's surface is covered by land?

• A) 70%
• B) 10%
• C) 50%
• D) 30%

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Definitions:

Ecosystems

Communities of living organisms in conjunction with the nonliving components of their environment, interacting as a system.

Sociologists

Professionals who study social behavior, patterns, and functions within human societies.

Cultural Diffusion

The spread of cultural beliefs and social activities from one group to another through interaction and integration.

Fertility Rate

The average number of children born to a woman over her lifetime, used to assess population growth or decline.