Water that fills the cracks and spaces in underground soil and rock layers.

Study for the Cambridge Science – States of Matter Test. Prepare with flashcards and multiple choice questions, with hints and explanations for each question. Ready yourself for your exam!

Multiple Choice

Water that fills the cracks and spaces in underground soil and rock layers.

Explanation:
Groundwater is water that fills the pores and cracks of underground soil and rock layers. It sits below the surface in the spaces between grains and within fractures, stored in what we call aquifers. Rain and other infiltrating water seep down until they reach the saturated zone where all available spaces are filled with water, with the upper boundary known as the water table. This underground water is different from open water, which is on the surface in lakes, rivers, or oceans. Atoms and nanotubes aren’t related to this underground water storage. So the description matches groundwater.

Groundwater is water that fills the pores and cracks of underground soil and rock layers. It sits below the surface in the spaces between grains and within fractures, stored in what we call aquifers. Rain and other infiltrating water seep down until they reach the saturated zone where all available spaces are filled with water, with the upper boundary known as the water table. This underground water is different from open water, which is on the surface in lakes, rivers, or oceans. Atoms and nanotubes aren’t related to this underground water storage. So the description matches groundwater.

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