Assertion: hydrogen | /r/HasProperty | derived
Facets:
value: from renewable energy sources
type: OTHER
value: from greek words
type: OTHER
Source sentences:
text: The earliest known important chemical property of hydrogen is that it burns with oxygen to form water, H 2 O; indeed, the name hydrogen is derived from Greek words meaning “maker of water.
text: This is because it is derived from renewable energy sources and is almost non-polluting.