Approximately How Many People in the World Live Without Access

question 47

Multiple Choice

Approximately how many people in the world live without access to clean, safe water?

• A)1 billion
• B)1.2 billion
• C)1.5 billion
• D)1.8 billion

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Definitions:

Scientific Research Methods

Systematic and empirical methods of investigation used to increase or refine knowledge in the sciences, involving critical analysis, experimentation, and observation.

Participant Observation

A research method used in sociology and anthropology in which the researcher takes part in the community or group being studied to gain a deep understanding of its dynamics.

Variable

A characteristic, number, or quantity that can change or vary and is used in scientific research to measure or test outcomes.

Hypothesis

A proposed explanation for a phenomenon made as a starting point for further investigation, testing, or experimentation.