Final answer:
Water plays a unique role in supporting life by serving as a medium for material transport within organisms and enabling chemical reactions.
Step-by-step explanation:
Water plays a unique role in supporting life on Earth. One of its key functions is providing organisms a medium to transport materials within their bodies. For example, in plants, water helps transport nutrients from the roots to the leaves through xylem vessels. In animals, water acts as a medium for the transport of substances in the blood, such as oxygen and nutrients. Water also facilitates chemical reactions within cells by serving as a solvent, allowing molecules to mix and react.
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