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Freshwater

What is the Hydrologic Cycle? 3 Steps of the Water Cycle
Freshwater | Water Science

What is the Hydrologic Cycle? 3 Steps of the Water Cycle

The hydrologic cycle describes how water moves continuously in nature. From evaporation, condensation and surface runoff – water is always in motion.

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Why Watersheds Are Like Upside-Down Umbrellas
Freshwater | Water Science

Why Watersheds Are Like Upside-Down Umbrellas

When it rains, water zig-zags all the way through a tributary system to a river or lake. Like an upside-down umbrella, a watershed catches all rain water.

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A Guide to Groundwater: Earth’s Hidden Freshwater Supply
Freshwater | Water Science

A Guide to Groundwater: Earth’s Hidden Freshwater Supply

Despite the popular belief that groundwater exists as a huge lake underground, water actually exists in tiny pore spaces within rock and soil beneath our feet.

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States of Water: Gas, Liquid and Solid
Freshwater | Water Science

States of Water: Gas, Liquid and Solid

Because water is extremely versatile, it changes phases rapidly. The states of water are gas, liquid and solid. Water cycles through these phases in nature.

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How Does Eutrophication Work? Causes, Process and Examples
Freshwater | Water Science

How Does Eutrophication Work? Causes, Process and Examples

Eutrophication occurs in water bodies when too many nutrients are introduced. Over-fertilization of water causes algae to grow blocking sunlight for plants.

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River Delta: How It Forms
Freshwater | Water Science

River Delta: How It Forms

Streams carrying too much sediment clogs the entrance into the basin. As sediments dump in, water flow decelerates and widens the entrance forming a delta.

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