Examlex
Describe the difference between a pure covalent bond and a polar covalent bond.
Ecological Service
Benefits to humans provided by natural ecosystems, including pollination, water purification, climate regulation, and nutrient cycling.
Freshwater Systems
Natural bodies of water that have low salt concentrations, such as rivers, lakes, streams, and underground aquifers, crucial for drinking water, agriculture, and habitats.
Nutrient Cycling
The movement and exchange of organic and inorganic matter back into the production of living matter, recycling elements and nutrients through the biosphere.
Hydroelectricity
The production of electricity using the energy generated from flowing or falling water, typically through dams.
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