Examlex
A malignant tumor differs from an in situ tumor in that the malignant tumor has invaded the surrounding tissue and compromised the function of that tissue, whereas an in situ tumor has not compromised the surrounding tissue or spread from its original location.
Freshwater Ecosystems
Aquatic systems of low salt concentration, including rivers, lakes, streams, ponds, and wetlands, supporting diverse life forms.
Groundwater
The water present beneath Earth's surface in soil pore spaces and in the fractures of rock formations.
Plant Nutrients
Essential minerals and elements required by plants for their growth, development, and physiological processes.
Oxygen Replenish
The process of increasing the oxygen level in an environment, typically through natural processes like photosynthesis or through artificial means.
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