The Ingredients of Life

THE INGREDIENTS FOR LIFE
1) Liquid water

2) Chemical building blocks like carbon, oxygen, hydrogen and nitrogen

3) An energy source
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In one corner of the Solar System, life abounds. From the frozen lakes in Antarctica to the boiling ocean-floor springs of the Pacific, planet Earth is teeming with life. But these diverse locations all share some common ground. They all contain the essential ingredients needed to create life."

BBC - Science & Nature - Space - The Ingredients of Life: " THE INGREDIENTS FOR LIFE