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Process of ScienceTheories, Hypotheses, and Laws
Theories are not based on one scientist's work but on an accumulation of evidence and...
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Earth ScienceThe Silicate Minerals
Understanding the structure of silicate minerals makes it possible to identify 95% of the rocks...
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Earth ScienceThe Hydrologic Cycle
Powered by the sun, water constantly cycles through the Earth and its atmosphere. This module...
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