Define Eco!!!!!!?????????????
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Eco is defined as the environment, habitat or surroundings. ... The definition of eco is something that is environmentally friendly or sustainable.
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An echo is a sound that is repeated because the sound waves are reflected back. Sound waves can bounce off smooth, hard objects in the same way as a rubber ball bounces off the ground. Although the direction of the sound changes, the echo sounds the same as the original sound. ... But sounds are not always reflected.
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