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Many years ago it was taught that plants and animals were composed of different materials: plants, of a chemical substance of three elements,- carbon, hydrogen, and oxygen; animals of one of four elements, nitrogen being added to the other three.
Asa Gray
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"Many years ago it was taught that plants and animals were composed of different materials: plants, of a chemical substance of three elements,- carbon, hydrogen, and oxygen; animals of one of four elements, nitrogen being added to the other three."
— Asa Gray

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Many years ago it was taught that plants and animals were composed of different materials: pla…

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Many years ago it was taught that plants and animals were composed of different materials: plants, of a chemical substance of three elements,- carbon, hydrogen, and oxygen; animals of one of four elements, nitrogen being added to the other three. — Asa Gray

About Asa Gray

Asa Gray was a Scientist from United States (1810–1888).

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Who said "Many years ago it was taught that plants and animals were composed of different…"?
This quote is attributed to Asa Gray, a Scientist from United States.
When did Asa Gray live?
Asa Gray lived from 1810 – 1888.