Water Nuggets Practice Exam 2026 – Complete Study Resource

Question: 1 / 400

Which of the following is considered a freshwater resource?

Oceans

Glaciers

Glaciers are considered a freshwater resource because they store significant amounts of freshwater in the form of ice. Approximately 68.7% of the world's freshwater is locked away in glaciers and ice caps, primarily found in polar regions and mountainous areas. When they melt, they release freshwater into rivers and lakes, contributing to the overall supply of fresh water available for ecosystems and human use.

In contrast, oceans contain saltwater, making them unsuitable as a freshwater resource. Rivers with high salinity and saltwater marshes are also saline environments and do not provide potable freshwater. Thus, glaciers stand out as a primary natural reservoir of freshwater.

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Rivers with high salinity

Saltwater marshes

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