The Circumference of Earth Is Most Nearly ________

question 11

Multiple Choice

The circumference of Earth is most nearly ________.

• A)400 km
• B)4,000 km
• C)40,000 km
• D)4,000,000 km

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Definitions:

Hypothesis

A proposed explanation for a phenomenon, made as a starting point for further investigation, which can be tested through research and experimentation.

Theory

A coherent group of propositions formulated to explain a group of facts or phenomena in the natural world and repeatedly confirmed through experiment or observation.

Operational Definition

A definition that provides an objective description of how a variable is going to be measured and observed in a particular study.

Helpful

Providing assistance or benefit to others; capable of improving a situation or condition.