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What is the goal of the Healthy People 2020?
Iron Formation
A geological formation consisting of layers of iron minerals, often found as banded iron formations which are significant sources of iron ore.
Seawater
The saltwater that fills the oceans and seas, covering approximately 71% of Earth's surface.
Silica-rich Organisms
Refers to organisms that utilize silica (SiO2) in their structural makeup, often found in the cell walls or skeletons, such as diatoms and some sponges.
Chert Formation
The process by which chert, a hard, fine-grained sedimentary rock composed of microscopic silica particles, is formed, often in deep marine environments.
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