Without the ocean, life as we know it wouldn't be possible. There are a number of key reasons why. First, the ocean is the largest source of oxygen on earth.

Discover the ocean learning hubรขโ‚ฌyour gateway to trusted ocean science content. Easily explore by topic, media type, grade level, and educational standards. Explore how the ocean shapes life on earth. It sustains us, surprises us, and holds mysteries we're only beginning to understand. Dive into key topics here.

Dive into key topics here.

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