dequanmill21 dequanmill21
  • 11-07-2022
  • Biology
contestada

8. In what year was the concentration of carbon dioxide 355ppm? *
о 2012
2010
о 1980
O 1990

Respuesta :

sarajeffries7
sarajeffries7 sarajeffries7
  • 11-07-2022

Answer:

slightly after 1990 (when it was 354.19)

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