hallieerussell hallieerussell
  • 10-10-2017
  • Chemistry
contestada

what percentage do the elements hydrogen and helium account for in the universe? A. 100% B. 99.9% C. 98% D.99.8%

Respuesta :

briano9120
briano9120 briano9120
  • 10-10-2017
c. 98% this worlds atmostphere is mostly nitrogen tho

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cbc3001 cbc3001
  • 10-10-2017
The percentage is 99.8% so D
Answer Link

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