Which of the Following Effects Must Be Accounted for to Make

question 16

Multiple Choice

Which of the following effects must be accounted for to make accurate measurements with global positioning system satellites?

• A) light travel times
• B) special relativity
• C) gravity
• D) all of the above

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Definitions:

Mutualism

A type of symbiotic relationship between two species where both species benefit from the interaction.

Secondary Succession

The process of ecological recovery in an area where a biological community was partially removed but where soil remains.

Primary Succession

Ecological succession that occurs in an environment in which new substrate devoid of vegetation and usually lacking soil, such as a lava flow or area left from retreated glacier, is deposited.

Forest Fire

Uncontrolled fire occurring in woodland or bush areas, which can have both destructive and beneficial effects on ecosystems.