Examlex
Phosphorus stored in the lithosphere becomes available for biomass through ________.
Good Theory
A well-substantiated explanation of some aspect of the natural world that is acquired through the scientific method and repeatedly tested and confirmed through observation and experimentation.
Operational Definition
A clear, precise way of defining a concept by specifying the operations or procedures used to measure or identify it.
Variable
An element, feature, or factor that is likely to vary or change in value between different individuals or under different conditions.
Scientific Method
A systematic and logical approach to discovering how things in the universe work, involving observation, experimentation, and hypothesis testing.
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